Its erosivity is usually estimated by the product of rain kinetic energy times the biggest rain density during a certain period, and also, can be determined by the daily rainfall amount.
降雨是影响土壤侵蚀的主要因素，降雨侵蚀力通常用降雨动能和一段时间的最大雨强的乘积表示，简化的计算也可用日降雨量估算。
The fear is that melting ice, along with increased snow and rain, could reduce the density and salinity of the top layers of the sea, making them more buoyant.
人们担忧的是正在融化的冰和不断增加的雨雪可能降低海洋表层水体的密度和盐度，导致其更容易滞留在海洋表层。
The Airparif monitoring agency said smog density was still near alert levels Monday, but rain forecast for Tuesday was expected to clear the air.
空气监测机构表示，周一雾霾浓度仍然处于警戒水平，但是预计周二的降雨能够净化空气。
In the millimeter band, the variations are found of the power density of the rain clutter induced by back scattering with frequency and rain rate.
在毫米波段计算了雨区的后向散射引起的雨杂波功率密度随频率及降雨率的变化。
The results were as follows:Compared with conventional flooded paddy soils, rain fed and mulching plastic film slightly reduced bulk density, increased total porosity of the soils.
与常规水作相比，覆膜旱作稻田土壤容重有所下降，总孔隙度增加显著；
The results were as follows:Compared with conventional flooded paddy soils, rain fed and mulching plastic film slightly reduced bulk density, increased total porosity of the soils.
与常规水作相比，覆膜旱作稻田土壤容重有所下降，总孔隙度增加显著；
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