Simple disconformities between adjacent sedimentary strata (4) record time breaks in the succession . 相邻沿积间的简单的假整合(4)记录着时间序列上的间断。
Erosion of gently dipping strata commonly results in the formation of asymmetrical ridges known as cuestas . 轻微倾斜地层的侵蚀通常造成非对称的山脊,称为单面山。
It cuts a clean cylinder of rock , from which can be seen the strata the drill has been cutting through . 它切割出一块表面光滑的圆柱体石头,从这石块上可以看出钻头在切割的岩层。
The widespread progradationally deposited cycles are often capped by oolitic shoals, tidal flat or sabkha evaporite strata . 广布的加积沉积旋回、经常被鲕滩,潮坪或萨勃哈蒸发岩层所覆盖。
Variations in the reflection times from place to place on the surface usually indicate structural features in the strata below . 反射波在地面从一处到另一处的时间变化,通常是地下岩层构造特征的标志。
A problem that cuts across all strata of society 一个影响到一切社会阶层的问题。
The trend of chinese social stratum structure change 我国社会阶层结构演化的趋势
On role location of the middle social strata in china 中国社会中间阶层的角色定位
Social origin of the new society stratum of china 中国新社会阶层产生的社会根源