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early warning systems的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
名詞 early warning system:
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a network of radar installations designed to detect enemy missiles or aircraft while there is still time to intercept them
early warning systems的用法和樣例：
例句
- Basic early warning systems are being set up in the affected areas.
受災地區將會安裝預警系統。 - Don't worry, we have a tsunami early warning system.
別擔心，我們有海嘯預警系統。
