一般使用包括软管和烧瓶在内的采样设备来采集水样，有时候，浮游生物是通过船尾的拖曳滤网收集的。

Sampling devices include hoses and flasks to collect water samples, and sometimes, plankton are collected on filters dragged through the water behind a ship.

youdao

一般使用包括软管和烧瓶在内的采样设备来采集水样，有时候，浮游生物是通过船尾的拖曳滤网收集的。

Sampling devices include hoses and flasks to collect water samples, and sometimes, plankton are collected on filters dragged through the water behind a ship.

youdao