为了避免干扰，保持望远镜的灵敏度，无线电望远镜被建在没有人为的无线电波或电子信号的地方。
To avoid interferences, and keep the telescopes sensitive, radio telescopes are built in places where there are no human radio waves or electronic signals.
如果要避免干扰，行动之前就应该要制定一个清晰的计划。
该模型的模拟音频电路板是分离的视频板，以避免干扰。
The model's analog audio circuit board is isolated from the video board to avoid interference.
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