名词
中文翻译：固定源
同义词：
['stationary point', 'stationary source', 'stationary emission']
例句：
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1. Thestationary source of the pollution is mainly from the factories in the city.
污染的固定源主要来自城市里的工厂。
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2.The stationary source of the pollution is mainly from the factories in the city.
污染的固定源主要来自城市里的工厂。
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3.The stationary source of the pollution is mainly from the factories in the city.
污染的固定源主要来自城市里的工厂。