西洋梨与中国梨有种质区别；
Pyrus communis L were different in germplasm with China pear.
梨树一种蔷薇科的普遍种植的乔木(梨属西洋梨)，具有光质叶片，白色的伞状花簇，果实可食用。
A widely cultivated tree (Pyrus communis) in the rose family, having glossy leaves, white flowers grouped in a corymb, and edible fruit.
西洋梨果实只有在采收后才能大量产生内源乙烯，启动果实的完全成熟，因而后熟是西洋梨生产过程中的一个关键环节。
The fruit of Western Pear (Pyrus communis L.) can produce a great deal endogenous ethylene only after harvested and start the ripening of the fruit.
西洋梨果实只有在采收后才能大量产生内源乙烯，启动果实的完全成熟，因而后熟是西洋梨生产过程中的一个关键环节。
The fruit of Western Pear (Pyrus communis L.) can produce a great deal endogenous ethylene only after harvested and start the ripening of the fruit.
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