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k8凯发-凯发官网入口保险问答 正文

作者2023-07-14 20:02:06保险问答 78 ℃0 评论

卢米埃尔兄弟是哪个的导演?

梅里爱提出了“银屏即舞台”的口号,那么他的局限是什么呢?

布莱顿学派的《鲸吞》最主要的影像特征是什么?

鲍特的《一个消防员的生活》两次出现救火场景,他想解决什么问题?

英格玛·伯格曼的最后一部电影作品是下列哪一部?

费德里科·费里尼作品中有一种统一的风格与特征,被称为?

被称为法国新浪潮“终身的斗士”是下列哪一位导演?

下列哪位导演是“作者论”中形容的作者型导演?

新好莱坞兴起的标志性作品是

《逍遥骑士》开启了新的影片类型,是什么类型片?

电影第一部故事片是什么?

张石川,郑正秋等人属于第几代导演?

《火烧红莲寺》的摄影师是哪一位?

费穆的《小城之春》创作于哪一年?

费穆在《小城之春》中三次表现女主登上城墙,这是什么手法?

电影从第几代导演开始,有了独立的艺术与审美主张?

下列哪一部不是谢晋作品?

谢晋的《牧马人》中,主人公最终的去向是?

由《偷烧鸭》始,香港电影最初的类型开端是什么片种?

下列哪位导演是香港新浪潮运动的代表人物?

室温下,si晶体中两个最近的si原子的间距大约为()埃。

室温下ge晶体的导带底由()个旋转椭球构成。

si晶体的第一布里渊区是个()体。

费米-狄拉克分布函数预测:远远低于费米能级的位置其电子占据的几率趋向于()

哪支能带的极值对应的电子有效质量最大?

空穴是一种假设出来的粒子。其有效质量为(),电荷为()。

si晶体的导带底等能面是个旋转椭球面。其中,其横向有效质量()纵向有效质量。

随温度升高,si的禁带宽度()

ga替位掺入ge中,其将成为()。

si中常见点缺陷是()缺陷。

晶体si是直接带隙半导体。

能态密度的单位可以是()

si晶体中,任一能级位置,不是被电子占据就是被空穴占据。

n型si中,导电电子主要分布在

室温下,si的本征载流子浓度约为()cm-3.

si芯片的最高工作温度约为()摄氏度。

某n型掺杂si材料,其费米能级随温度而发生变化。其费米能级最高的位置对应的温度区间为:

以上哪个区域对应室温下的n-si载流子随温度变化的关系?

迁移率的典型单位是()

对于一般浓度的掺杂半导体,室温下其主要散射机制为:

一般情况下,非平衡载流子中,()重要

间接复合中,理想条件下,最有效的复合中心能级位置在

扩散系数的典型单位是

si器件中,典型的少子扩散长度的数量级在

重掺杂si,因为简并存在,所以其电激活载流子浓度无法随掺杂浓度提高而单调升高。

pn结中内建电场的方向是

对于ge pn结,已知na=1e17 cm-3,nd=1e15 cm-3。则內建势垒高度为()ev

pn结中耗尽区分布规律是

一维情况下以突变pn结冶金学界面处为x轴的零点,计算室温下平衡硅 pn结中导带底比n区电中性区高0.1ev的位置与耗尽区在n区边界xn间的距离(p区:na=1e18 cm-3,n区:nd=1e16 cm-3,er=11.9):

n /p结中,反偏情况下占据主导的电流是

si的pn结,室温附近温度每升高()度,反偏漏电流增加一倍。

si的pn结,正向小偏压下,占据主导的电流分量是

si pn结(p区:na=1e18 cm-3,n区:nd=1e16 cm-3,er=11.9,临界击穿电场ec=4e5 v/cm)的反向击穿电压。

典型实际金半接触(n-si)的势垒高度约为()ev。

实现金半欧姆接触的途径有

pn结正向大注入条件下,p区和n区的准费米能级间的差距小于qv,因为一部分外加电压v降落在大注入区。

无论突变还是缓变pn结,其势垒电容都可以用平行板电容器等效。

测量pn结反偏电容,可以获得內建势垒,但不能获得掺杂浓度。

pn的扩散电容一般远远大于其势垒电容。

判定下列各序列是否为周期性,如果是,确定其周期 (1) (2)

设激励为,下列是各系统的零状态响应。判断以下各系统是否是线性的、时不变的、因果的、稳定的? (1) (2)

某lti连续系统,其初始状态一定,已知当激励为时,其全响应为 , 若初始状态不变,激励为时,其全响应为 , 求若初始状态不变而激励为时系统的全响应。

写出下列各系统的微分或差分方程

已知信号的波形如下图所示,画出一下各函数的波形 (1) (2)

系统在输入f(t)作用下的零状态响应可以表示为

lti系统的解可以分为()形式

经典法求解线性时不变系统时,全解包括齐次解和特解两个部分,其中齐次解与输入无关。

y²(t) 3 y ¢(t) 2y(t) = f ¢(t) 4 f(t),当输入为冲击偶时,输出是否包含冲击函数(是或否)

已知函数f1的非零区间为[0,1],f2的非零区间为[3,4],f3的非零区间为[96,100],则三个函数卷积的非零区间有多大?

lti系统中,单位序列响应h(k)与单位阶跃响应g(k)的关系可以表示为h(k)=g(k)-g(k-1),是否正确(是或否)

lti系统中,单位阶跃响应g(k)与单位序列响应h(k)的关系可以表示为,是否正确(是或否)

以下两个序列是否为周期的:

已知信号x(t)的波形如下图所示,则可以用表示为

描述的系统特性是

的值为

下面关于冲激函数的表达不正确的是

的周期

描述某lti系统的微分方程为,的零输入响应为





离散序列f1(k)和f2(k)如题3图(a)(b)所示。设y(k) = f1(k)*f2(k),则y(2)等于

信号f1(t)和f2(t)的波形如题4图所示,设y(t)=f1(t)*f2(t),则y(4)等于

下列差分方程描述为线性时变系统的是



下列说确的是( )。

下列说确的是( )。

的周期

信号f1(t)和f2(t)的波形如题4图所示,设y(t)=f1(t)*f2(t),则y(4)等于

本门课程(工程地质与水文地质)的研究对象是什么?

在滑坡体上打入一排抗滑桩以阻止其滑动,主要利用了哪种手段?

1929年,由谁出版了世界第一部《工程地质学》?

支撑本门课程的两根“柱子”是哪两门学科?(多选)

什么是工程地质学(工程地质与水文地质)?它的主要内容是什么?

请结合某一项具体工程,谈一谈本课程(工程地质与水文地质)的研究意义。

在古希腊时期,第一个准确测得地球周长的哲学家是谁?

断层和节理的本质区别在于

内动力地质作用不包括以下哪一种作用?

重力是指地球质量对物体产生的引力。

地球表层系统属于地壳圈层的一部分。

地壳的平均厚度约为____km?

一套地层的三要素,包括____、倾向和倾角。

对于褶曲构造,如果两翼地层时代老、中间地层时代新,则属于____?

假设某处断层两盘,上盘相对上升,下盘相对上升,它属于____断层。

请结合自己家乡的地质情况,谈一谈它在工程选址和建设中可能会遇到的地质问题,例如地形地貌、构造、地层、水文地质等。

假设某砂岩的孔隙率为20%,其孔隙比换算为____?

在岩石抗拉试验中,判断其拉伸强度极限的状态为____?

根据格里菲斯强度理论,以下叙述不正确的是____。

在单轴压缩试验中,假设内摩擦角为ϕ,破裂面与压力轴向的夹角为____?

在压裂试验中,岩石发生破坏后,在应力不变的条件下,应变仍会持续发生。

岩石试件所受的压应力越大,它的抗剪强度则越大。

按照成因,岩石可以划分成三大类,即____岩、岩浆岩和变质岩。

岩石的重度(容重),指的是单位体积岩石所受的____。

摩尔-库仑模型说明了岩体的抗剪强度取决于正应力、内摩擦角和____。

土体从流态变成塑态的转变,这个界限的含水量,称作____。

假设某土体的含水率为50%,液限为40%,塑限为20%,其塑性指数为____。

在有效应力不变条件下,土体仍会发生的沉降,称为____。

土中水的存在形式有哪些?

引起土体应力的因素有____。(多选)

地下潜水位下降,将会导致土层有效应力增加。

土体的三相模型,即土体是由____、固体颗粒和水组成的。

有效应力原理认为饱和土体的总应力来自两个方面,即有效应力和____。

对于无黏性土坡而言,坡体稳定与两个因素有关,即坡角和____。

什么叫特殊土?常见的特殊土有哪些类型?各自有什么特点?

以下具有连续而自由的静水位的是____。

以下何者溶解度最大?

达西渗透定律表面,水的流量与哪些因素有关?

根据dupuit公式,承压完整井井水水位降深与哪些因素成正比?

水流在惯性作用下会向凹岸运动,结果凹岸水位大于凸岸水位。

地下水在纵向上可以分带,以潜水位为界,下部为饱水带,上部为____。

湖泊的定义?湖泊的形成条件是哪些?湖盆的形成原因是哪些?

岩体因卸荷回弹产生侧向拉应力,而造成坡面破坏现象,称为____。

某处顺倾斜坡,在降水条件下发生滑动现象,其主控因素为____。

水对于岩质边坡的影响主要表现在____。

滑坡由三个要素组成,及滑体、滑床和____。

利用传递系数法,不仅能计算坡体稳定性,还能得到____,成为抗滑设计的依据。

边坡变形破坏的主要防治措施有哪些?

现代城市地面沉降的主要诱因是____。

以下关于承压水完整井抽水沉降机理说确的是____。

西安地铁穿地裂缝区段设置“净空”的主要目的是____。

地裂缝的本质是土体破裂,它的结合力指的是黏聚力。

渗水压裂机理表明,当水渗入理想圆孔裂隙时,裂隙倾向纵向发生。

在西安,经过大雁塔的地裂缝是第____条。(请用数字解答)

西安地裂缝产生的原因有哪些?

which of the following prefix means half?

which of the following prefix means difficult or painful?

which of the following suffix means record or picture?

which of the following suffix means excision?

which of the following means surgical repair of the esophagus?

which of the following means rupture of the liver?

which of the following means the layer above the dermis?

which of the following means inflammation of the kidney?

which of the following suffix means instrument for viewing the stomach?

which of the following means heart pain?

the chin is below the nose so the chin is __________to the nose

the knee is near to the body trunk compared with feet, so the knee is ___________ to feet.

the nose is in front of ears so the nose is _________to ears.

the skin is the covering of body while bone is buried inside so the skin is _______to bone

___________means “bottom or lower part of an organ.”

__________means “the body lying horizontally and facing downward.”

which of the following means fat cell_________

which of the following means study of tissue____________

which of the following means above stomach____________

what does postnasal mean?

which of the following means within the skin?

which of the following means skin disease?

which of the following means abnormal condition of excessive sweat?

which of the following means black tumor?

which of the following means softening of nails?

collagen fibers are the major components of the ____.

special cells, ____, in the epidermis produce the black pigment that gives color to the skin and protects against damage from the ultraviolet rays of the sun.

adipose tissue mainly exists in ______.

which of the following is not the accessory structure of the skin?

___ protrudes into the hair bulb and provides nutrients for the growing hair.

which of the following means inflammation of vertebrae?

which of the following means disease of tendon and muscle?

which of the following means surgical repair of bone?

which of the following means bone and cartilage tumor?

which of the following means incision into the joint?

which of the following is not the facial bone?

which of the following is not the bone in the axial skeleton?

which of the following is not in upper extremities.

pectoral girdle includes two bones clavicle and ___________

which bone is on the little finger side of the forearm?

which of the following valve guards the atrioventricular orifice between the right atrium and the right ventricle?

which of the heart chamber receives blood returning from the pulmonary veins?

which of the following statement is not true?

________ are allest blood vessels, which provide sites of exchange of substances between the blood and the body cells

which of the following is the innermost layer of the heart wall?

which of the following means heart muscle disease?

which of the following means hardening of the vessel?

which of the following means suturing of an artery?

which of the following means process of recording a vein?

which of the following means inflammation of a valve?

which of the following means nose inflammation?

1. which of the following means paralysis of the voice box?

which of the following means insufficient oxygen in the blood?

which of the following means abnormal condition of nose fungus?

which of the following means normal breathing?

____ in the nasal cavity can increase the air turbulence.

____ serve(s) as a food and air passageway.

____ is the location of the vocal cords.

____ covers the larynx and trachea during swallowing, which provides protection against food and liquid being inhaled into the lungs.

each bronchiole terminates in a all group of air sacs, called ___.

the roof of the mouth is known as the ________.

the crown of the tooth is covered by a layer of ____, the hardest substance in the body.

the ileum connects to the colon through a sphincter called the ____ valve.

which of the following teeth do not belong to cutting teeth?

when the bile leaves the liver through left and right hepatic duct, it enters ______.

which of the following means the study of the mouth?

which of the following means the inflammation of the tongue?

which of the following means suturing the lip?

which of the following means condition of common bile duct stone?

which of the following means abnormal appetite?

which of following means rapid bleeding from bladder?

which of following means excision of a kidney?

which of following means kidney disease?

which of following means x-ray record of the renal pelvis?

which of following means frequent nighttime urination?

renal _____is the place, where the renal artery carries the blood into the kidney and the renal vein carries the blood out of the kidney.

the renal ___ is the blood-filtering portion of the nephron.

the filtering unit of the nephron, which is composed of a tangled cluster of blood capillaries is _____.

which of the following is not the stage of urine formation?

the male urethra is not only the outlet for urine but also the passageway for ___.

which of following means excision of the uterus?

which of following means milk discharge?

which of following means surgical repair of breast?

which of following means no menstrual flow?

which of following means blood in fallopian tube?

which layer of the uterus contracts to expel the baby from the mother’s body?

___ of the uterus communicates with vagina and the cavity of the uterine body.

what structure in the uterine tubes has the function of providing site for the fertilization?

below the center of the breast there is a ring of pigmented skin, called ___.

___ can store milk during nursing.

which of the following means headache?

poliomyelitis possibly means?

the word radiculoneurocele possibly means?

which of the following means recording the ultrasonic echoes of the brain?

encephalosclerosis possibly means?

the ___ lobe of the cerebrum controls visual information.

the ___ lobe of the cerebrum receives and interprets nerve impulses from sensory receptors and interprets language.

which part of brain is located beneath the posterior part of the cerebrum and maintain the balance and equilibrium

____________receive information from another cell and tranit the message to the cell body

____________carry messages from sensory receptors to the cns, central nervous system

which of the following shows the study of female?

which of the following means yellow skin?

which of the following means abnormal condition of hair fungus?

which of the following means excision of wrinkles?

which of the following means abnormal condition of porous bones?

which of the following means tendon pain?

which of the following means difficult movement?

what is the general medical term for hardening of the arteries?

which of the following means inflammation of all the sinuses?

which of the following refers to the instrument to measure the breathing?

which of the following terms means toward the side with respect to the imaginary midline?

this oily substance, ____, lubricates the skin surface.

which of the following is not facial bone?

the basal layer also contains special cells called_______, which produce black pigment that gives color to the skin.

which of the following terms means lying horizontally with face upward?

which of the following valve guards the atrioventricular orifice between the left atrium and the left ventricle?

which of the following statement is not true?

which bone is located on the upper sides of cranium and roof of skull.

which of the following is commonly referred to as adam’s apple.

the name for muscle tissue found in the walls of hollow or tube-shaped organs is_____.

which of the following means difficult digestion?

which of the following terms means dilated ureter?

which of the following terms means rapid blood flow from uterus?

which of the following terms means excision of the testes?

which of the following terms means inflammation of the gray matter of spinal cord?

the ______ sphincter opens and closes to control the passage of food into the all intestine.

27. _____ is the final stage of urine production occurring when the special cells of the renal tubules secrete ammonia, uric acid, and other waste substances directly into the renal tubule.

the distal end of each uterine tube expands as it curves around the ovary, forming the _______, where fertilization usually occurs.

______ is the innermost membrane layer of meninges and is applied directly to the surface of the brain.

each nephron is composed of a filtering unit consisting of a tangled cluster of blood capillaries called a glomerulus and a surrounding thin-walled saclike structure called a glomerular or________.

the epithelial tissue can provide support and protection to the body.

the deepest layer in the dermis is called basal layer.

bat-shaped bone that forms part of the base of the skull, floor, and sides of eye orbit is sphenoid bone.

pulmonary valve is a semilunar valve.

arteries carry blood back to the heart.

uvula can help the production of speech.

an afferent arteriole carries blood into the glomerulus.

cervical mucus can block the spread of bacteria from the vagina into the uterus.

inside the mammary glands, there are lobules, which contain lactiferous ducts that produce milk.

parietal lobe of the cerebrum can control motor function, personality, and speech.

the________ is the white half-moon shaped part at the nail base.

the vertebral or spinal column can be ided into five sections: cervical vertebrae, thoracic vertebrae, __________ vertebrae, sacrum and coccyx.

the wall of the heart is composed of three distinct layers: an outer epicardium, a middle_________, and an inner endocardium.

the maximum pressure achieved during ventricular contraction is called the ________ pressure.

in lungs, each bronchiole terminates in a all group of air sacs, called _______.

the _____ of the all intestine extends from the pyloric sphincter to the jejunum.

saliva contains the digestive enzyme, _____, which begins the digestion of carbohydrates.

each renal pyramid opens into a _____ ,which is continuous with the renal pelvis.

the organ of the female reproductive system, _____, functions to receive, retain, and nourish a fertilized ovum.

nervous tissue consists of two basic types of cells: _____ and neuroglial cells.

试论述朱子“为政以德”思想的当代意义

试论述孙中山“五权宪法”对西方“三权分立”学说的继承与发扬

如何理解“政者,正也”?

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