cut rule

例句：

1. 1. 规则，准则；2. 切割规则；3. 切线；4.
   在数学中
2. 1. The cutting rule for the new dress is to be at least 50 cm long.
   新裙子的裁剪规则是至少50厘米长。
3. 2.The teacher explained the math problem according to the cutting rule.
   老师根据减法规则解释了这个数学问题。
4. 3. The company has a strict cutting rule on waste disposal.
   公司对废弃物处理有严格的规定。