您要查找的是不是：
- serrated topography 齿形山脊
- One who is skilled in topography. 地形学者精通地形学的人
- A marked change in topography such as a fault or deep valley. 断层地形上的显著变化，如断层，深谷
- This is a rare type of karst topography. 是非常罕见的喀斯特地貌景观。
- Concerning the topography of a specific region. 某地的地质情况有关特殊地区地形学的
- Having jags; jagged or serrated. 参差不齐的有尖锐突出部分的；凹凸不平的或锯齿状的
- A typical phenomenon of karst topography. 是典型的峰林现象。
- And its spectacular sandstone topography. 以丹霞地貌著称于世。
- And this is typical marine- abrasion topography. 这里就是典型的海蚀地貌了。
- Topography from north to south for a tilt. 地势呈现为自北向南倾斜。
- To shape or enlarge(a hole)with a tapered, serrated tool. 凿孔扩大用带齿的尖的工具钻或扩大（孔）
- The cells have an irregular shape with a slightly serrated border. 细胞的形状不规则，边缘呈锯齿状。
- The small serrated edge tracing wheel is used for most fabrics. 大多数面料可用小的、锯齿边的擂盘。
- To shape or enlarge(a hole) with a tapered, serrated tool. 凿孔扩大用带齿的尖的工具钻或扩大（孔）
- A tapered, serrated tool used to shape or enlarge a hole. 手钻用来钻孔，或扩大孔的尖细带齿的工具
- His car bumped against the serrated edge of the road accidentally. 他不小心将车撞上了马路牙子。
- We know something of the great variety of the sea-bed's topography. 我们对海底的各种各样的地形也有了了解。
- Using long serrated knife, halve each cake horizontally. 使用长的锯齿型刀，水平地将每块蛋糕分成两半。
- I don't know the first thing I should about topography. 我连一点像样的地貌知识也没有。
- Cable television networks have a "free-scale network" topography. 说明有线电视网络具有“无标度网络”的拓扑结构。
