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 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；
• After the change of temperature, precipitations content are reduce and evenly distribute.
  温度场改变后，铸锭中析出相含量明显减少且分布均匀。
• 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 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
• 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。
• Climate change of annual precipitations in western China
  中国西部年降水量的气候变化
• TEM analysis indicated that the size and amount of precipitations in wire rod with different nitrogen contents had some differences, and most of the precipitations were located at austenite grain boundaries and dislocation lines.
  通过透射电镜观察可知，含氮量不同的两种盘条其析出物的尺寸及数量不同，但两种盘条的析出物位置大都位于原奥氏体晶界和位错线上。
• 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。
• The yearly variations of seasonal precipitations in winter and spring were quite consistent with each other.
  冬春季降水量的逐年变化存在显著的同相关系。
• Because of the different nature of precipitations, rain band shape of two process were different too.
  由于降水性质的不同，两次过程中雨带的形状和移动各有特点。