例句 /

he process of finger corium ridge formation was studied in human fetus aged 0 months by light and scanning electron microscopy.

he process of finger corium ridge formation was studied in human fetus aged 0 months by light and scanning electron microscopy.

用光镜和扫描电镜技术观察了~0月龄人胎手指端真皮乳头嵴的形成过程。