名词
中文翻译：次要雷达
同义词：
['secondary radar', 'secondary detection radar例句：1. The new radar systemis designed to detect objects at a distanceof up to 50 miles.（新的雷达系统设计用来探测距离达50英里的对象。）2. The military uses this typeof radar for surveillance purposes.（军方使用这种雷达进行监视。）3. The radar operator was ableto locate the target even in the worstweather conditions.（雷达操作员即使在最恶劣的天气条件下也能定位目标。）']
例句：
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1. The new radar systemis designed to detect objects at a distanceof up to 50 miles.
新的雷达系统设计用来探测距离达50英里的对象。
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2. The military uses this typeof radar for surveillance purposes.
军方使用这种雷达进行监视。
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3. The radar operator was ableto locate the target even in the worstweather conditions.
雷达操作员即使在最恶劣的天气条件下也能定位目标。