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【判断题】

CA1091型汽车的高压点火线就是采用铁铬铝合金丝绕制的电感性高压阻尼线,且抑制电磁波干扰的效果很好。

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】The biggest safety threat facing airlines today may not be a man with a gun, but the man with the portable computer in business class. In the last 15 years, pilots have reposed well over 100 incidents...

A.
They may have been caused by the damage to the radio systems.
B.
They may have taken place during take off and landing.
C.
They were proved to have been caused by the passengers" portable computers.
D.
They were suspected to have resulted from electromagnetic interference.

【单选题】在( )中,有较大的信号传播延迟和回波干扰。2

A.
ACARS系统
B.
静止卫星通信系统
C.
微波通信系统
D.
光纤通信系统