saw tooth

基本解释

The leaves also had tiny saw tooth on the edge. There were only a few thorns on the stems. The old stems were grey.
叶子上也有细小的锯齿，花茎上的刺很稀疏、很大，老茎是灰色的。
Objective To study effects of treatment of long bone fracture with NiTi shape memory saw tooth arm embracing fixator.
目的分析镍钛形状记忆锯齿臂环抱内固定器治疗长管状骨骨折的疗效。
Principles of reasonable values and reference data of saw tooth's rake, relief, wedge angles and radius of bottom arc can be determined through finite element method of calculation and optimum design.
通过有限单元法计算和优化设计，确定锯片齿形前角、后角、楔角及槽底圆弧半径合理值的原则及其参考值。

(of a waveform) having an amplitude that varies linearly with time between two values, the interval in one direction often being much greater than the other