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phototaxy

n. 趋光性;向光性

趋光性;向光性

The Collaborative International Dictionary of English v.0.48 (gcide)

Phototaxis \Pho`to*tax"is\, Phototaxy \Pho"to*tax`y\, n. [NL.
phototaxis; photo- Gr. ? an arranging.] (Biol.)
The influence of light on the movements of low organisms, as
various infusorians, the zoospores of certain alg[ae], etc.;
also, the tendency to follow definite directions of motion or
assume definite positions under such influence. If the
migration is toward the source of light, it is termed

{positive phototaxis}; if away from the light,

{negative phototaxis}. -- {Pho`to*tac"tic}, a. --
{Pho`to*tac"tic*al*ly}, adv.
[Webster 1913 Suppl.]

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单词	字典	翻译
Phototaxy	查看　Phototaxy　在百度字典中的解释	百度英翻中〔查看〕
Phototaxy	查看　Phototaxy　在Google字典中的解释	Google英翻中〔查看〕
Phototaxy	查看　Phototaxy　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

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