1. The eight most popular Diamond cuts are emerald cut, heart cut, marquise cut, oval cut, round brilliant cut, pear cut, princess cut and radiant cut.
八种最流行的钻石切割有：祖母绿型切割、桃心型切割、马眼型切割、椭圆型切割、圆形明亮型切割、梨型切割、公主型切割和辐射型切割。
2. The eight most popular Diamond cuts are emerald cut, heart cut, marquise cut, oval cut, round brilliant cut, pear cut, princess cut and radiant cut.
八种最流行的钻石切割有：祖母绿型切割、桃心型切割、马眼型切割、椭圆型切割、圆形明亮型切割、梨型切割、公主型切割和辐射型切割。
3. In view of the destructional problem of open-off cut, the type of open-off cut surrounding rockmass is summed up and the basic model of open-off cut surrounding rockmass is obtained.
针对目前切眼围岩破坏的问题，对切眼围岩类型进行总结，得出切眼围岩的基本模型。
4. There are several pruning methods for Hippophae rhamnoides L. forests, namely, heading-back cut, thinning-out cut, shortening cut, renewal cut, watershoot pruning, etc.
对于一般沙棘林，其修剪方法主要包括短截、疏剪、回缩、更新剪（留桩）、徒长枝的修剪等。
5. Chisel cutting operation of cut, cut cut, cut file, attack thread, the thread sets.
切削性操作 有錾削、锯削、锉削、攻螺纹、套螺纹。
