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词汇 Test cycle
分类 英语词汇 英语翻译词典
释义

Test cycle

原声例句
2018年高考英语阅读真题

B. To test the life cycle of a product.

B. 测试产品的生命周期。

英语百科

Emission standard

(重定向自Test cycle)

Emission standards are the legal requirements governing air pollutants released into the atmosphere. Emission standards set quantitative limits on the permissible amount of specific air pollutants that may be released from specific sources over specific timeframes. They are generally designed to achieve air quality standards and to protect human health.

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