Let's consider the sawtooth pattern of similar triangles in fig. 9 . 我们来研究图9中一组相似三角形的锯齿形模型。
Time seemed to him to be crawling with feet of lead, while he by monstrous winds was being swept towards the jagged edge of some black cleft of precipice . 他觉得时间在沉重地向前爬行，而他自己却在被一阵妖风刮向某一黑色断崖的锯齿形边缘上。
Specification for straight - sided splines and serrations 直边花键与锯齿形花键规范
Technical drawings - representation of splines and serrations 技术制图.花键和锯齿形花键的画法
The small plane zigzagged across the sky to avoid enemy fire 小飞机以锯齿形飞行避开敌人的炮火。
Technical drawings . representation of splines and serrations 技术图纸.花键和锯齿形花键的表示方法
Water system . 45 degree saw - tooth thread . tooth pattern and basic size 水系统. 45锯齿形螺纹.牙型与基本尺寸
Household sewing - machines ; testing of non - automatic zig - zag mechanism 家用缝纫机.第6部分:非自动锯齿形机械装置的检验
