“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	coincidence argument coincidence circuit coincidence counting coincidence counting method coincidence curve coincidence detection coincidence detector coincidence effect coincidence measurement coincidence measurement setup coincidence method coincidence number coincidence prism coincidence problem coincidence range finder coincidence rate coincidence-reading device coincidence site lattice coincidence spectroscopy coincidence spectrum coincidence structure coincidence surface coincidence theorem coincident coincident code

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