英语翻译The ratio between the volume of water and mass of the sa
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The ratio between the volume of water and mass of the sand for a fully water-saturated bed (complete filling of the interstitial spaces between sand particles) was found to be 0.22 mL/g.So,beds comprising 2 g of sand with initial water contents of 0.44,0.33,0.22,and 0.11 mL are equivalent to beds with initial water saturations,Sw,i,of 100,75,50,and 25%.
据观察,完全水饱和的河床（沙粒之间的空隙完全充满水）的水和砂的质量体积比为0.22毫升/克.所以,包含带有初始含水量0.44,0.33,0.22和0.11毫升的2克沙的河床,相当于初始含水饱和度（SW,I） 100,75,50,25％的河床.
Sw,i 什么意思百思不得其解,科技英语最头痛的就是这种莫名其妙的缩略词.
知道了：Sw,i ＝Initial Water Saturation 初始含水饱和度
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