英语单词“orthogenesis”的翻译、意思、用法、释义-英汉词典

单词	orthogenesis
释义	orthogenesis[,ɔ:θəu'dʒenisis]n.1.■【生物学】直生现象，直向进化，定向进化；直生论，定向进化学说 [亦称作orthoselection]2.■【社会学】系统发生说，直向演化论
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