R-control chart
[化] 极差控制图
🧩 词语组成解析
control
[kən'trol]
vt. 控制;管理;限制;支配;
n. 支配权;操纵者;（对国家、地区、机构等的）管理权;（键盘上的）控制键;
🗣️ 情景例句
How much time will it take for my mail to get to where it is going?
我的信件到达它要去的地方要用多少时间？
Give as good as one gets.
以其人之道，还治其人之身。
Of course. And why not buy some English tapes and some books to go with them? I'm sure you'll find them useful.
当然了。干吗不买些英语磁带和与之配套的书呢？我相信你会觉得它们有用的。