“the pathway of blood circulation in early embryo”的概念、定义、翻译、参考文献-科学参考

单词	the pathway of blood circulation in early embryo
释义	the pathway of blood circulation in early embryo Encyclopedia 医学原始心血管系统释 the pathway of blood circulation in early embryo胚胎早期血液循环通路人胚早期（第3～4周），由胚内、胚外内皮管网，演变为具有胚体循环、卵黄囊循环和脐循环的血液循环通路。
随便看	rock relaxation rock rheological experiment rock rheological model rock rheology rockrose family rock salt rock salt structure rock sample superconducting magnetometer rock sculptures at Dongfo Valley and Qingtong Mountain of Ji’nan City rock sculptures at Longquan Shifo Temple rock sculptures on Kandeng Mountain rock sculptures on Kongwang Mountain rock seepage deformation experiment rockshaft rock shearing strength rock shear strength experiment rock similarity theory rock slit method experiment rock slope rockslope design rock slope engineering design rock slope engineering disasters rock softening characteristic test rock specific surface area rock strain

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