达成率用英语怎么说

"Achievement rate" 或 "achievement percentage" 可以用来表示 "达成率"。这个词组通常用于描述一项目标或任务实际完成的百分比。

例句：

Our company's sales achievement rate for the quarter was 90%. (我们公司这个季度的销售达成率是 90%。)
The achievement rate for students passing the exam was 75%. (考试及格的学生的达成率是 75%。)
The goal was to increase the achievement rate of students in math class. (目标是提高数学课学生的达成率。)