外共生
wài ɡònɡ shēnɡ
- ectosymbiosis
外共生-
外共生体：生活在另一种生物体外表的共生生物。
Ectocommensal : a commensal organism that lives on the outer body surface of another organism .
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本文对在峨眉山玄武岩省中新发现的苦橄质岩石及其共生玄武岩的地球化学特征进行了研究，结果表明，除苦橄质岩石外，与其共生的玄武质岩石均属高Ti玄武岩。
The geochemical characteristics of the picritic rocks that we discovered recently and their associated basalts show that except the picrites , all the associated basaltic rocks belong to the high-Ti type .
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国内外稻鸭共生的研究现状
The Research on the Mode of Rice - duck Mutualism