英语：翻译国家二级标准 （急！在线等。。。）

来源：百度知道 编辑：UC知道 时间：2024/06/18 10:03:51
大气中颗粒物浓度超过翻译国家二级标准 英语怎么翻译？？？

在线等！ 保证再追加积分！ 急！！

The content of particulate matter in the air exceeded Grade II.
或者是：
The content of particulate matter in the air exceeds the national second-class standard.

The content of particulate matter in the air exceeds the second class of national standards.

Atmospheric concentrations of particulate matter in the country for more than two standard Translations .

Concentration of particulate matter in the atmosphere is higher than national secondary standards