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

化学

双语例句

• 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 theoretical frequency distribution of the annual and monthly precipitations in Shanxi Province
  陕西省年、月降水量的理论频数分布
• It is manifested that in single pass weld metal there are no copper precipitations, but in heat affected zone there are some ε-Cu precipitations and the distribution and size of the precipitations are not uniform.
  研究结果显示，单道焊焊缝金属中铜难以析出，在多道焊道间热影响区有εCu析出颗粒的存在，但析出颗粒尺寸与分布存在不均匀性。
• Based on the raindrop spectrum data of different type precipitation over plateau border, this paper analysed the frequency, the duration of rainfall and the structure of the precipitations cell.
  本文根据高原边缘山地各种类型降水的雨滴谱资料，分析了山地降水出现的频数、降水持续时间和降水云的单体结构。
• 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。
• 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。
• The groundwater in Hebei plain is recharged from the precipitations.
  河北平原地下水主要是由大气降水补给的；
• 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。
• 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 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。