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（in Chinese） 中国肥胖问题工作组。中国学龄儿童青少年超重、肥胖筛查体重指数值分类标准[J]。 中华流行病学杂志，2004，25（2）：97-102。

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Call it the Das Boot effect: With their deep keels and heavy ballast, J-boats push such a mass of water that they tend to hunker down in a breeze, submerging the bow and stern and soaking practically everyone on deck.

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