1. CAD is applied to the design of spherical hob, and the result is satisfactory. 应用计算机辅助设计，并通过实例计算，得到了满意的结果。
2. Optimum calculation using this model can define the optimal hob's structure parameter and cutting parameter. 利用该模型进行优化计算，可确定最佳滚刀结构参数及切削用量。
3. The working principle and structure of new tester are introduced briefly, and the relationship between measuring results and hob-gear manufacturing system is discussed primarily. 本文简要介绍了新型齿轮双面啮合检测仪的工作原理和结构，初步探讨了检测结果和加工系统的关系。
英英解释
n.
1. (folklore) a small grotesque supernatural creature that makes trouble for human beings
2. (folklore) fairies that are somewhat mischievous
3. a hard steel edge tool used to cut gears
4. a shelf beside an open fire where something can be kept warm v.
1. cut with a hob
