“primitive streak”的概念、定义、翻译、参考文献-科学参考

单词	primitive streak
释义	primitive streak Encyclopedia 医学胚盘释 primitive streak原条约在受精后的第15天，上胚层细胞增生并向二胚层胚盘尾端中线迁移，在中轴线上聚集而成的一纵行细胞柱。
随便看	the theories of urban agglomeration in China the theories of urbanization in China the theories of urban system in China the Theory about ZhongHua and YiDi the theory of agriculture as national basis the theory of Bian Zheng the theory of climate regulation of rodent populations the theory of commercial warfare with western powers The Theory of Communicative Action the theory of conflict the theory of criminal normalcy the theory of critical the theory of direct description The Theory of Duty the theory of economic growth stages the theory of exchange and circulation between paper money and metal money in ancient China the theory of form and function The Theory of Gene the theory of gradient transference the theory of import-substitution industrialization the theory of industry as national basis the theory of information searching the theory of inspired imagery the theory of interorganizational policy making the theory of land pricing

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