“原始体腔”的概念、定义、翻译、参考文献-科学参考

单词	原始体腔
释义	原始体腔 Encyclopedia 医学人体胚胎学释 primitive body cavity原始体腔来自中胚层，由相互连通的3个部分组成的结构。包括1个围心腔、1对体腔管和1个初级腹膜腔。
随便看	positive definite Hermitian matrix positive definite inner product axiom positive definite kernel positive definite matrix positive definiteness positive definite operator positive definite potential positive definite product positive definite quadratic form positive definite scalar product positive definite sequence positive definite solution positive definite space positive definite tensor positive definte rational fanction positive deviation positive diffeomorphism positive diffeomorphisms positive differential positive direction positive displacement compressor positive displacement flowmeter positive displacement motor drill positive displacement pump positive displacement sensor

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