网络释义专业释义
3.1.6 活动积温(active accumulated temperature) 作物某生育时期内日活动温度（即高于或等于生物学零度的日平均温度）的总和。 其单位为摄氏度(℃)，计算方法依附录A.4。
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Using the main varieties in the production as samples, the relationship between the active accumulated temperature and chalkiness of rice was analyzed.
以生产上大面积推广应用的水稻主栽品种为样本，分析了东北全区域活动积温与水稻垩白率、垩白面积、垩白度的关系。
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The limited factors of the north-distribution are colder absolute minumum temperature in winter in inland and not enough active accumulated temperature in seashore.
分布北界的限制因子，在内陆为冬季绝对低温过低，在海滨为夏季活动积温不足。
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