Annual fluctuation of phytoplankton in raft culture area of two bays in north China was studied.

系统研究了中国北方两个典型养殖海湾浮游植物的周年变动。

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Annual fluctuation of phytoplankton in raft culture area of two bays in north China was studied.

系统研究了中国北方两个典型养殖海湾浮游植物的周年变动。

youdao