“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	strontium compounds strontium hydroxide Strontium Isotope Analysis strontium metallurgy strontium method strontium ore resource strontium star strontium yellow Stroop paradigm strophanthobiose strophic strophoid strophoidal curve strophotron Strouhal number STR typing structon structual theory of chemistry structural structural acoustic coupling structural-acoustic coupling structural adhesive Structural Adjustment Programs structural analysis structural analysis for hydraulic concrete

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