雪花以北，落雨以南，秋末临冬，叶落风飞。
In the south of north of snow, rain, autumn winter, leaves fall the wind to fly.
为了探讨悬铃木冬芽休眠的机理，研究了悬铃木冬芽休眠过程中芽鳞及叶原基的内源激素变化与休眠的关系。
The relationship between dormancy and endogenous hormone inside buds scales and leaf primordium was studied in order to explore the mechanism of winter buds' dormancy in Platanus acerifolia.
冬春季节市场主要以叶菜类为主，此时人体摄入的硝酸盐也高于其它季节。
During winter and spring, when leaf Vegetables were prevalent in market, more nitrate was liable to be absorbed.
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