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先兆早产
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先兆早产
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高危妊娠
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threatened preterm labor
先兆早产
妊娠满28周至不满37周期间,出现有规律或不规律子宫收缩,伴有宫颈管进行性缩短的现象,是早产的一个阶段。
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forest cutting to build palace
forest disease
forest disease and pest disasters in China
forest disease disasters in China
forest diseases and pests
Forest Diseases and Pests Control Regulation of the People's Republic of China
forest division
Forest dormouse
forest ecological benefit evaluation
forest ecological benefits compensation fund
forest ecological compensation
forest ecological compensation fund
Forest ecological economics
forest ecological service function marketization
forest ecology
forest economy
forest ecosystem
forest ecosystem management
forest ecosystem nature reserve
forest ecosystem service
forest ecotourism
forest eco-turism
forest education
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forest entomology
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