常見(jiàn)例句雙語(yǔ)例句When the silt mass fraction is below the critical value, sand transport rate increases with silt mass fraction.在低于此臨界值時(shí),輸沙率隨粉粒的質(zhì)量分?jǐn)?shù)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(guò)分析得出剖面特征為:發(fā)育淺薄的白云巖剖面粘粒組和細(xì)粉粒組隨剖面加深而逐漸減少;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(shí)驗(yàn)中沙波紋的高度和波長(zhǎng)隨風(fēng)速及粉粒的質(zhì)量分?jǐn)?shù)的增大而增大,而當(dāng)粉粒的質(zhì)量分?jǐn)?shù)超過(guò)15%時(shí)沙波紋消失。權(quán)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