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
Mom! Is it for me?
妈妈 是我的吗
I know the boy whose father is a writer.
我知道那个男孩的父亲是作家。
Yu Yan and Jim were neck and neck. They both passed on their sticks at the same time.
余延和吉姆跑得一样快。