名词短语
中文翻译：清洁空气政策
同义词：
['airquality policy', 'clean air act', 'cleanair regulations']
例句：
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1. Thegovernment has implemented a strict clean air policyto reduce air pollution.
政府已经实施了严格的清洁空气政策，以减少空气污染。
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2. Thiscity has passed a clean air policy thatrequires all vehicles to be emissions-free.
这个城市通过了一项清洁空气政策，要求所有车辆排放物为零。
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3. The clean airpolicy is designed to protect the environment andimprove public health.
清洁空气政策旨在保护环境并改善公共健康。