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[单选题]

学生:报到:录取通知书

A.顾客:积分:优惠券

B.会计:报销:火车票

C.考生:考试:准考

D.员工:考勤:工作证

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更多“学生:报到:录取通知书A．顾客:积分:优惠券B．会计:报销:…”相关的问题

第1题

When using the marine radiotelephone，what frequency is not commonly used for transmission

of distress signals ().

A.2182 kHz

B.156.8 MHz

C.Channel 16

D.Channel 66

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第2题

Transmission lines are typically analyzed by using ABCD constants（）

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第3题

Study the model and rewrite the following sentences by using "no matter who/ what/which/when/ho

w/where" structure.

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第4题

【填空题】MPEG-2 describes a combination of __________ and __________ methods which permit storage and transmission of movies using currently available storage media and transmission bandwidth.

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第5题

For free space transmission, if the transmi power ...

For free space transmission, if the transmi power is, the receive power is, and the propagation distance is d, then the correct formulas include a., where k is a constant. b., where k is a constant. c., where k is a constant. d., where k is a constant.

A、错

B、对

C、对

D、对

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第6题

For crank-slider mechanism showm below, when crank is drving link, label transmission angle ,write expression to calculate transmission angle and determine the position of minimum transmission angle.

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第7题

When cutting helical cylindrical gear, the transmission chains for forming involute tooth profile and spiral tooth line are （)

A、transmission chain for the generating motion

B、transmission chain for the main motion

C、transmission chain for the additional motion

D、transmission chain for the axial feed motion

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第8题

If you receive the signal over radiotelephone of Rome Papa Tango while using the international code of signals, you should （）.

A．report to the caller

B．repeat your last transmission