This is less than the total biological production in the main water column, or pelagic zone.

它比主水体或远洋区的生物总产量要少一些。

Suddenly, the water column was no more, music stopped.

突然，水柱全没了，音乐也停止了。

A tangled kelp forest fills the water column off the coast of Maine.

缠结的海带森林弥漫着水柱沿海海面的缅因州。

This is triggered by the buoys' anomalies of water column height above the sea floor.

这是浮标(检验测定)到了海床上边不没事了的水体高度而被触动引发的。

The middle part of the water column and narrower, upper and widening like funnel general.

而水柱的中间部分较窄，上部又变宽，好似漏斗一般。