... 无受让人名称的空白转让书 blank transfer 无霜期 duration of frost-free period 无霜日 day without frost ...
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The sunshine duration is long, the temperature difference is big, the frost-free period is long, and the annual solar radiation amount is much, which is good for the growth of crops.
日照时间长，昼夜温差大，无霜期长，年太阳能辐射量大，对农作物生长十分有利。
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