The biological zero temperature and effective accumulated temperature in sea urchin Strongylocentrous nudus were determined by constant temperature experimentation in a laboratory.

通过室内试验和数理统计的方法，研究了光棘球海胆受精卵发育的生物学零度及有效积温。

The developmental zero and effective accumulated temperature for individual development of Cornegenapsylla sinica were measured by the experiment under constant temperature in the climatic chamber.

在人工气候室不同温度下测定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。

Following are results obtained:After the first leaf differentiated, total leaf area increase exponential adapting to accumulated temperature (At).

冬小麦苗期叶片分生以后，随着积温的增加，叶面积呈指数增加。

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。

The findings shows that nutritional growth of rice is mainly affected by effective accumulated temperatures, an accumulated temperature of 15~25℃ and sunshine time .

结果表明，水稻营养生长主要受有效积温、15~25℃积温和日照时数的影响。