The abilities of long distance communication and weak signal detection are deteriorated by various white noises existing in the electronic instruments and system.
工程中常遇到各类噪声信号，噪声存在于电子设备和系统中，它经常妨害长距离通信和检测弱信号的能力。
The abilities of long distance communication and weak signal detection are deteriorated by various white noises existing in the electronic instruments and system.
工程中常遇到各类噪声信号，噪声存在于电子设备和系统中，它经常妨害长距离通信和检测弱信号的能力。
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