environmental background value中文，environmental background value的意思，environmental background value翻译及用法

2026-05-06 04:36 浏览次数 28

environmental background value

英[enˌvaɪərənˈmentl ˈbækɡraund ˈvælju]美[ɛnˌvaɪrənˈmɛntl ˈbækˌɡraʊnd ˈvælju]

环境背景值

environmental background value 例句

英汉例句

  • through big sand storm cases in the western region in china in last 15 years, the effects of sand storm on the air environmental background value in gansu province were investigated and analyzed.

    文章对十多年来发生在我国西北地区的较大沙尘暴，沙尘暴尘的沉降量、沉降范围、化学组分、粒径分布、对大气环境降尘背景值的影响等问题进行了调查、分析，综述了这方面的一些研究成果。

  • because of the influence of sand storm, the overall level of air environmental background value of dustfall is increasing in gansu province in the last 15 years.

    受沙尘暴降尘的影响，近15年来甘肃省大气自然降尘背景值总体水平呈上升趋势。

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