而卫星外壳正被硬化，以保护电路免受微波或其他电子武器的灼伤。

Satellite cases are being hardened to prevent circuitry from being fried by microwaves or other electronic weaponry.

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因此分析卫星信息的传送及利用信息编解码电路，是减少信息传送中出现错码的关键。

Therefore, analyzing the transmission of satellite communication and utilizing information encoding and decoding circuit are the key to reduce wrong code in transmission.

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事实上，可以不使用任何线来建立四线电路，例如通过微波、卫星或红外传输系统。

In fact, a four - wire circuit can be established without the use of any wires at all, as in the case with a circuit established over microwave, satellite, or infrared transmission systems.

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