基本释义:

允许,生效

网络释义

1)enable,允许;生效

2)allowable equivalent grain size,允许等效粒径

3)the coverage allowed by ecology,生态允许覆盖度

4)assent,允许;允许书

5)allow,允许，准许

6)permit,允许，许可

用法和例句

By analyzing and comparing several concepts about vegetation coverage given by other specialists,several new threshold of vegetation coverage are put forward:the coverage allowed by ecology,the coverage demanded by ecology and the coverage allowed by economy,then the methods are given to calculate.

通过对已有的关于植被覆盖度的概念进行分析比较,提出几个新的植被建设覆盖度阈值生态允许覆盖度、生态要求覆盖度和经济允许覆盖度,并给出了它们的计算方法。