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1·The negative accumulated temperature decreased obviously during the over-wintering period.

冬小麦越冬期负积温明显减少。

2·The principal biological characteristics and the effective accumulated temperature were studied.

本文研究了该螨的主要生物学特性和有效积温。

3·It introduced fractal method to study changes of precipitation and accumulated temperature of Heilongjiang Province.

将分形方法引入黑龙江省降水、积温变化的研究中。

4·In the present paper the development zero and effective accumulated temperature of Habrobracon hebetor (Say) were studied.

在实验室条件下，对麦蛾茧蜂各虫态的发育起点温度与有效积温进行研究。

5·Here we used reverse accumulated temperature methods to estimate postmortem interval and made accordant result with their true time.

本文对蝇蛆和蛹应用倒计积温的方法进行死亡时间推断，获得与实际死亡时间一致的结果。

6·Based on the study above, another concept of equivalent accumulated temperature is suggested that equals the product of the accumulated t.

提出了当量积温为环境因子有效性系数与活动积温乘积的概念。

7·This paper dealt with the developmental temperature and effective accumulated temperature of different stage and whole generation of Longan psyllid.

报道了龙眼角颊木虱的各个虫态及全世代的发育起点温度和有效积温，并与实际发生情况作了初步验证。

8·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。

9·The relationship between the growth period, yield component of japonica hybrid rice 80 you 121 and accumulated temperature, light duration was studied.

对杂交中粳80优121在8个不同播期下的生育期、产量因素、理论产量与影响产量因素总积温、光照时数的相关研究。

10·Using the known experiential data of effective accumulated temperature and weather datum, the goal values of growth and production periods can be obtained.

利用已有的有效积温的经验数据，结合气象数据资料，就可以推断番茄的生长期、产期等一系列有用的目标值。