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Embryonic Layer

[胚] 胚层

1、[胚]胚层

... embryonic induction 胚胎诱导作用 embryonic layer 胚层 embryonic period 胚（胎）期 ...

2、胚层

...embryonic layer 胚层embryonic death 胚胎死亡embryonic crystal 胚晶 ...

embryonic mantle layer胚胎外膜层

生物学

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