试题与答案

下列哪个因素影响速度陀螺仪的稳定性().A.陀螺本身的结构不对称性 B.陀螺内框轴上

题型:单项选择题

题目:

下列哪个因素影响速度陀螺仪的稳定性().

A.陀螺本身的结构不对称性

B.陀螺内框轴上的摩擦力矩

C.平衡弹簧的弹性系数

D.阻尼筒的相对阻尼系数

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D

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A.M=26.77;V=11.81

B.M=28.14;V=15.75

C.M=16.66;V=11.81

D.M=18.66;V=15.75

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题型:单项选择题

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet. There are two types of key technology: private key and public key. Private-key encryption methods are called (71) ciphers, information is encrypted with (72) both the sender and receiver hold privately. Public-key encryption methods are called (73) ciphers, (74) created for each user, encryption key and decryption key are (75)

A.synchronous

B.Asynchronous

C.symmetric

D.asymmetric

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