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
Have you studied any courses related to the post you are applying for?
你曾修读与这份工作有关的科目吗？
It only takes a few minutes.
只要几分钟而已。
Good morning. I am. Everyone is here. No one is away.
早上好。我值日。大家都来了。没有人缺席。