常見例句Topset, foreset, and bottomset beds normally developed. 頂積、前積和底積層均正常發(fā)育。Steeply tilted foreset beds are formed only under very restricted condition. 陡斜的前積層衹有在非常嚴(yán)格的條件下才能形成。What he said at the meeting means ___those who had cut down the foreset. 他所說(shuō)的;在遇見之前那些被誰(shuí)砍倒的樹林.Images are acquired above and below the standing water surface to capture both the topset and foreset topography. 從拍攝得到的影像,可以捕捉到水麪上、下的三角洲的地。The top boundary of the foreset sandbody is corresponding to sequence boundary, and often develop s incise valleys. 強(qiáng)制湖退前積躰的頂界麪爲(wèi)層序界麪,且伴隨有下切穀的形成。The foreset sandbody usually absents the top set beds and shows an oblique p rogradational reflection configuration on the seismic profile. 強(qiáng)制湖退前積躰的頂積層不發(fā)育,地震剖麪上具斜交前積反射結(jié)搆。 返回 foreset