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catatrepsis

1、[昆]胚体下降

定义中文名称：胚体下降英文名称： catatrepsis 其他名称：顺向移动(katatrepsis) 定义：胚体在胚动时，由背面向腹面回复原始位置的移动，或以前进的方式由后而前移动。应用学科：昆虫学

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