precipitations
英 [prɪˌsɪpɪˈteɪʃənz]
美 [prɪˌsɪpɪˈteɪʃənz]
n. 降水，降水量(包括雨、雪、冰等); 沉淀; 淀析
precipitation的复数
双语例句
- Meanwhile, no segregation of S, P, C trace elements occurs in grain boundary, but a Ni-depletive and Cr, Mo-rich region is formed. These indicate that the grain boundary composition change impairs the effect of the grain boundary precipitations on hydrogen embrittlement.
晶界上未发现S、P等痕量元素的偏聚，却产生了富Cr、Mo而贫Ni层，这表明晶界成分的变化减弱了晶界析出物对氢脆的影响。 - Through successive monitoring and analysis of satellite cloud picture, rain detection radar data and conventional meteorological data as well as analysis of numerical weather prediction results, the quantitative precipitations of 12,24,48 h were forecasted.
预报处通过对卫星云图、测雨雷达、常规气象资料跟踪监测分析及数值预报产品的分析，完成了12、24、48h定量降水预报。 - By analyzing and calculating the effective precipitations, irrigation water yield and utilization ratio, and crop output during the growing period of wheat and corn, the writer expounds how to make full use of effective precipitations to make an appropriate irrigation and improve its benefits.
通过对小麦和玉米生长期间的有效降雨量及灌溉水量、灌溉利用系数、灌溉水量及作物产量的关系分析计算，阐明了有效降雨量，充分利用有效降雨量合理进行灌溉，提高灌溉效益的方法。 - The dynamic variations of groundwater level are subject to cyclic variation of precipitations.
当地降水量的多年周期性变化决定了地下水位的多年动态。 - The changes of precipitations were not obvious with reducing precipitations in autumn.
降水量的变化不明显，但秋季降水有减少的趋势。 - The microstructural characteristics of main precipitations and the interactions among the various precipitate species in 2090 aluminium-lithium alloys aged 190 ℃ have been examined using transmission electron microscopy.
本文利用透射电镜技术（TEM），对190℃时效条件下，2090铝锂合金中主要脱溶相的组织特征以及相间的交互作用进行了分析研究。 - Spectral analysis of pulse trains and the method for converting the results of radar measurement into the micro-physical or kinematical properties of clouds and precipitations are also discussed.
文中还讨论了脉冲波列的谱分析问题，涉及了如何根据雷达测量结果去推断云和降水的微物理或运动学状况的问题。 - Both the annual area-averaged precipitations have good correlations with global mean sea surface temperature.
这两个地区的平均降水量都与全球海表温度距平有很好的相关性。 - XPS Study of Cu precipitations at the surface of crystalline Cu-Zr alloys after annealing in hydrogen
Cu-Zr合金在氢气氛中退火后表面Cu沉积物的光电子能谱研究 - The interdecadal variation of summer precipitations in China and the drought trend in North China
我国夏季降水的年代际变化及华北干旱化趋势