cross bedding
常见例句
- The characteristics of plant communities on abandoned land in different years were surveyed in agricultural cross bedding in the south edge of Otindag sandy land.
以浑善达克沙地南缘农牧交错带不同年限弃耕地为对象,研究了不同年限弃耕地植物群落特征。 - Mean permeability of massive bedding fine shingle lithofacies and mean porosity of reverse cross bedding fine sand lithofacies are the biggest in all of lithofacies.
块状层理细砾相的平均渗透率最大,反向交错层理细沙相的平均孔隙度最大。 - The sedimentary structure mainly includes unidirectional and bidirectional cross bedding, interference and curved ripple mark, and wavy, flaser and lenticular bedding.
发育双向和单向交错层理、曲线型和干涉波痕及波状、脉状、透镜状层理; 返回 cross bedding