That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels.
这确有其事,因为理论告诉我们如果一个渔场的总储量如果连起初的最大可承受的捕鱼量的50%都不到,就应该降低捕鱼数量了。
单词 | maximum sustainable yield |
例句 |
原声例句
历年研究生考试英语阅读真题 That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels. 这确有其事,因为理论告诉我们如果一个渔场的总储量如果连起初的最大可承受的捕鱼量的50%都不到,就应该降低捕鱼数量了。 |
随便看 |
|
英语例句辞典收录519880条英汉例句词条,基本涵盖了全部常用单词的造句方法及例句,是英语学习的有利工具。