大家都搜:
保护标准
1、cross protection───交叉保护作用;防止碰线,防止混线
2、protection───n.保护;防卫;护照
3、standards of───……的标准
4、standards───n.[标准]标准;规格(standard的复数)
5、focused protection───集中防护
6、protection against───保护;防护
7、protection cover───[电]保护罩
8、livestock protection───牲畜保护
9、industry standards───行业标准
1、only one fourth of Chinese cities met the country's air quality standards, according to a survey of 338 cities nationwide from the Ministry of Environmental Protection.───根据环境保护部对全国338个城市的调查,2016年,只有四分之一的中国城市达到了国家的空气质量标准。
2、These were essentially professional associations that provided for the mutual aid and protection of their members, and allowed for the maintenance of professional standards.───这些基本上是为成员提供互助和保护,并允许维持专业标准的专业协会。
3、Engineering seismic hazard analysis for a specified site represents an essential element of seismic safety assessment, and provides engineers with the standards of protection against earthquakes.───工程场地的地震危险性分析是地震安全性评价的主要方法,并且为工程师提供抗震参数。