“psammon”的概念、定义、翻译、参考文献-科学参考

单词	psammon
释义	psammon [`sa´män] ^ECOLOGY 1. In a body of fresh water, that part of the environment composed of a sandy beach and bottom lakeward from the water line. 2. Organisms which inhabit the interstitial water in the sands on a lake shore.
随便看	series circuit series compensation series connection series decay series disintegration series excitation series-fed vertical antenna series feed series firing series generator series loading series modulation series motor series multiple series-parallel circuit series-parallel control series-parallel firing series-parallel switch wattless component wattless current wattless power wattmeter Watt's curve watt-second Watt's law

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