“primitive cardiovascular system”的概念、定义、翻译、参考文献-科学参考

单词	primitive cardiovascular system
释义	primitive cardiovascular system Encyclopedia 医学心血管系统的发生释 primitive cardiovascular system原始心血管系统人胚第3～5周，胚体内逐渐形成心管、动脉和静脉，构成卵黄循环、脐循环和胚体循环组成的系统。
随便看	Routh method of reduction Routh theorem Routh–Hurwitz stability criterion routine routine activities theory routine analysis routine observation routine report routing routing algorithm routing design routing function Routing Hijacking routing information flooding routing information protocol routing information protocol, RIP routing in sensor networks routing loop routing policies specification language routing policies specification language, RPSL routing system security Rouzitanbuer ROV rovalising rove

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