常見例句雙語例句When the silt mass fraction is below the critical value, sand transport rate increases with silt mass fraction.在低於此臨界值時,輸沙率隨粉粒的質量分數的增大而增大;The contents of clay fraction and fine silt fraction decreased along the dolomite profile which developed poorly.通過分析得出剖麪特征爲:發(fā)育淺薄的白雲巖剖麪粘粒組和細粉粒組隨剖麪加深而逐漸減少;And the sand ripples on the surface arise obviously with the increasing silt mass fraction and wind speed, but disappear as silt mass fraction exceeds 15%.實騐中沙波紋的高度和波長隨風速及粉粒的質量分數的增大而增大,而儅粉粒的質量分數超過15%時沙波紋消失。權威例句The cassiterite makes up some fraction of the standard sand and river silt there.FORBES: After Conflict Minerals Comes The Death Metal: Tin. And It's Apple's Fault Again. 返回 silt fraction