方法用扫描电镜的方法观察了人胎儿菱形窝室管膜的超微结构。

Methods The ultrastructural feature of the rhomboid fossa in human fetus were examined by scanning electron microscopy.

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方法用扫描电镜的方法观察了人胎儿菱形窝室管膜的超微结构。

Methods The ultrastructural feature of the rhomboid fossa in human fetus were examined by scanning electron microscopy.

youdao