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Reproductive biology
containing
前头
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all forms
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in specified order only
Chinese
English
前头
位
bregmatic presentation
头前置
在反刍动物中常见,胎儿的前足和鼻部先露出,头部伸展,胎儿背部与母体荐部相接触
anterior presentation
正常头前置
normal anterior presentation
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