| 1. | Year accumulated temperature of above or equivalent 10 reaches 5600
年平均降水量1200毫米， 43 %的降水量集中于作物生长旺盛的夏季。 |
| 2. | 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。 |
| 3. | The first reason of dryness index variation is the rainfall change , the second is the chang of accumulated temperature
造成干燥度变化的主要原因是降水量的变化，其次是积温的变化。 |
| 4. | The initial development threshold temperature and effective accumulated temperature of whole generation were determined as 8 . 40 and 456 . 09 , respectively
全世代的发育起点温度和有效积温分别为8 . 40和456 . 09日度。 |
| 5. | 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。 |
| 6. | Based on the experiment data of summer maize in irrigation experimental station of north west a & f university during 2001 ~ 2004 , a normalized model between leaf area index ( lai ) and accumulated temperature was developed
摘要通过对连续4a夏玉米叶面积指数的研究，建立了夏玉米叶面积指数与积温之间的归一化模型。 |
| 7. | Based on rs and gis technology , five indices , including vegetation index , altitude , land - using , accumulated temperature and annual rainfall , were drawn and applied to evaluate natural environment of the research region
在rs和gis支持下，提取海拔高度、植被覆盖、土地利用、年积温和年降水量等5项指标，用于评价研究区的自然环境，评价结果和实际情况基本一致。 |
| 8. | Through the analysis of spring ( april to may ) low temperature occurrence from 1966 to 2003 in nanzheng , by applying < 12 negative effective accumulate temperature and minimum temperature to classify damage extent of low temperature to rice seedling
摘要分析了1966 - 2003年南郑春季（ 4 - 5月）低温发生情况，用12的负有效积温和最低气温划分低温对水稻的危害程度。 |
| 9. | The relationship between the degree of disease and circumstance factors was analysed , only to forecast the occurring time by the occurring pattern and accumulated temperature principle , and to forecast the degree of disease occurring by catching spores method and multianalysis method
分析了发病轻重与环境因子的关系，提出用发生型法及积温法预测赤星病发生期，用孢子捕捉法及多元相关法预测发生程度。 |
| 10. | Two fertilizers distribution regime is adopted , which is favorite to different user choosing . the fsrs is designed by the object - oriented method in which the condition that determines a farming system feasible or unfeasible are accumulate temperature ( growth period ) and precipitation
采用了面向对象的知识表示方法，建立了黄土高原地区种植制度设计专家系统，系统以热量(生育期)和降水作为具体地区种植制度可行与否的判断参数。 |
