The 1987 Amendments limit 301 ( g ) discharges to a few well - studied nonconventional pollutants.

1987年的修正案把第301条 ( g ) 的普通排放限制施加在一些认真研究过的几种非常规污染物上.

英汉非文学 - 环境法 - 环境法

He's well studied in geometry.

他在几何学方面有丰富的知识.

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The Pharmacological functions of fungi polysaccharides well studied and have drawn much attention.

真菌多糖的药理作用已得到广泛的研究与关注.

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Certain chemical pesticides used to control in - sects have also been well studied.

对一些特定的用来控制昆虫的化学杀虫剂也研究得比较多.

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Some academic fields well studied and social sciences such as economics are under - explored.

我们的研究是一项以体裁分析为基础的对于经济学英文学术文章的调查研究.

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The application of electric load models in power system simulation has not been well studied.

针对负荷模型应用的薄弱环节,探讨了负荷模型的应用接口问题.

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