该计划在美国第一次采用随机抽样的方法进行鱼体组织调查，并得到了有史以来最详尽的鱼体毒物残留数据。

It is the first national fish tissue survey to be based on a probabilistic (random) sampling design, and it will generate data on the largest set of PBT chemicals ever studied in fish.

youdao

该计划在美国第一次采用随机抽样的方法进行鱼体组织调查，并得到了有史以来最详尽的鱼体毒物残留数据。

It is the first national fish tissue survey to be based on a probabilistic (random) sampling design, and it will generate data on the largest set of PBT chemicals ever studied in fish.

youdao