英语词汇plankton indicator怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	plankton indicator
释义	Definition of plankton indicator in English: plankton indicator noun Biology An apparatus that is towed behind a ship containing a filtering device by means of which the concentration of plankton can be estimated. Origin 1920s. Definition of plankton indicator in US English: plankton indicator noun Biology An apparatus that is towed behind a ship containing a filtering device by means of which the concentration of plankton can be estimated. Origin 1920s.
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Definition of plankton indicator in English: