“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	pre-write compensation prey-predator prey-predator relation prey selection index of fish Pre-zhou Culture pre-λ-ring PRF PR food etiquette PRFRI PR grooming etiquette P. R. Halmos P. R. Halmos (1916—2006) PRHRI PRI Priabonian Stage Priamus Pribilof Islands Pribisch Proposition Price price price analysis price at gate station price bidding Price/Book value ratio price differences of agricultural products

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。