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1·The results indicated that effective precipitation increased 30% about by artificial precipitation operation for Yanhu district in 2001.

通过计算得出2001年人工增雨作业为盐湖区增加了30%左右的有效降水。

2·In soil-plant-atmosphere system, soil available water content, crop water consumption, and effective precipitation are the main factors in water balance equation of farmland.

在土壤-植物-大气系统中，土壤有效水分贮存量、作物耗水量和有效降水量是农田水分平衡的主要组成因子。

3·It is necessery that the total consumptive use of water in the rotation period is equal to the total effective precipitation(pre- cipitation minus runoff depth)in the loess hilly region.

在黄土丘陵区要求林草与农作物地在轮作周期内的总耗水量与有效雨量（降雨量与径流深之差）持平。

4·It is found that RTP is a rapid and effective way to dissolve oxygen precipitation in comparison with conventional furnace annealing.

实验发现，RTP是一种快速消融氧沉淀的有效方式，比常规炉退火消融氧沉淀更加显著。

5·The digitizing processing of precipitation recording graph using the technology of color scanning graph is an effective test for rescuing historic meteorological archives.

利用彩色扫描图形数字化处理技术实现降水自记纸图形的数字化处理是对气象历史档案拯救技术的有效探索。

6·The calculation method of effective wax precipitation content was proposed according to the flow property of crude oil and wax precipitated mechanism.

根据原油在管道内流动特性及析蜡规律，提出了有效析蜡量的计算方法。

7·More precipitation amount and rain days helped to increase effective stalks and fiber fineness.

雨日和雨量较多能增加有效株数，提高纤维支数。

8·Organic scale from asphaltene precipitation is one of main causes of formation damage, Therefore to take some effective prevention and remove measures is very necessary.

原油沥青质沉积形成的有机垢是造成油气层损害的主要原因之一，因此对原油中沥青质的沉积采取有效的预防和清除措施是至关重要的。

9·Compared with the conventional cold charge process, small addition of ti would be more effective for precipitation of fine precipitates in the steels produced by CSP process.

与传统连铸连轧工艺生产的同类钢相比，CSP工艺低碳钢中微量钛的加入明显增加了细小析出相的数量。