( )中的通信系统建设被称为“军事史上一-有没有搜网课答案的软件

( )中的通信系统建设被称为“军事史上一次最大的通信系统专项工程”

( )中的通信系统建设被称为“军事史上一次最大的通信系统专项工程”
答案: 海湾战争

fb028970c0654c4c9172e7a1f6ead40d.jpg
答:2,3

脆性材料的单轴试样在纯扭转加载下,破坏断面为( )。
答:法线与轴线相夹45°的斜截面

关于三个弹性常数之间的关系G=E/[2(1+n)]的适用条件有以下四个说法,其中正确者为( ):
答:各向同性材料应力在比例极限范围内

四个强度理论中第 强度理论和第 强度理论适合材料的脆性破坏?
答:1,2

的傅里叶变换为
答:

的傅里叶变换为.
答:

脆性材料不会产生塑性破坏。
答:错误

一单轴拉伸杆件横截面上的正应力为σ,斜截面上最大切应力为( )。
答:σ/2

d4e47682660b40aaa4f5e12fd68ce0de.png
答:②点

1adf439f6fe14d8ab265042fd00e13b0.png
答:压缩和斜弯曲的组合

9ffe2cfea90a43a38bdcb8036018790c.png
答:正确

292daa4bf0b04590a192153b8f42dfb4.png
答:弯曲与拉伸的组合变形

齿轮传动轴的变形形式为()。
答:弯-扭组合变形

处理组合变形的一般步骤是( )。
答:外力分析-内力分析-应力分析-强度计算

在弯-扭组合变形中,危险点的应力状态属于()。
答:平面应力状态

组合变形时,杆件的应力和变形可以采用叠加原理求解。
答:正确

偏心压缩实际上就是??????压缩和弯曲的组合变形问题。
答:正确

拉伸(压缩)与弯曲组合变形杆内各点处于( )应力状态。
答:单向

细长杆在轴向力作用下会发生失稳现象,是屈曲的一种。
答:正确

Directions: In this part of the test, you will hear a passage and read the same passage with blanks in it. Fill in each of the blanks with the ward or words you have heard on the tape. Write your answer in the corresponding space in you ANSWER BOOKLET. Remember you will hear the passage only once.In the early 1970s, Citibank of New York City became one of the first financial institutions to install ATMs on a large scale. Since then, the_______(1) of automated teller machines has increased dramatically. At the time, the bank hoped________ (2) their operating costs by replacing human tellers with machines. Little did they _______ (3) that the cash machines would become so successful. However, as more banks added_______ (4) automated service through ATMs, the machines mushroomed all over the world.To use an ATM, all you need is a _______(5) issued by your bank. Your bank may also_______(6) through a credit card, such as MasterCard or Visa. To begin a _______(7), you need to insert the card into an ATM and punch in a personal identification number on the _______(8). The personal ID number may consist of_______(9) and can pvent anyone from using the card.The ATM next flashes instructions on its_______(10) for carrying out transaction. To get cash, for example, you are instructed to _______(11) that indicate whether the money should be withdrawn form a checking or a savings account and the _______(12). This request is then displayed on the screen. After you pss a button to _______(13) that the information is correct, the ATM goes to _______(14).How safe, you may ask, is banking by ATM? The_______(15) is meant to pvent anyone, no matter who you are, from using a cash card________(16). If you enter the wrong ID number for a card, a message on the screen will_______(18). As another pcaution against_______(19), the bank generally limits the amount that may be withdrawn by cash card______(20), say, to $200.1. Sentence TranslationDirections: In this part of the test, you will hear 5 sentences in English. You will hear the sentences ONLY ONCE. After you have heard each sentence, translate it into Chinese and write your version in the corresponding space in your ANSWER BOOKLET.(1)(2)(3)(4)(5)2. Passage TranslationDirections: In this part of the test, you will hear 2 passages in English. You will hear the passages ONLY ONCE. After you have heard each passage, translate it into Chinese and write your version in the corresponding space in your ANSWER BOOKLET. You may take notes while you are listening.(1)(2)
答:

相关推荐