seven-eighths rule

例句：

1. 1.This is the seventh-eighths rule for dividing a circle into quarters.
   这是将圆分成四等份的七分之一规则。
2. 2.The teacher explained the seven-eighths rule to the students.
   老师向学生们解释了七分之一规则。
3. 3. The chef used the seven-eighths rule to make the perfect pasta dish.
   厨师使用七分之一规则制作了完美的意大利面。