名词短语
中文翻译：自我维持的排放
同义词：
['self-contained discharge', 'self-sustaining discharge']
例句：
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1. Theself-maintaining system ensures that the plant can operate continuously without external power.
这种自我维持系统确保植物可以不间断地运行，无需外部电源。
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2.In a self-maintaining ecosystem, species are able to sustain themselves without relying on others.
在一个自我维持的生态系统中，物种能够依靠自身生存，不依赖其他物种。
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3. The self-maintaining mechanism of the device is crucial for its long-term operation and maintenance.
该设备的自维持机制对于其长期运行和维护至关重要。