| 单词 | control chart |
| 释义 | > as lemmascontrol chart control chart n. a chart designed to help monitor or analyse a particular process; esp. one that allows the spread of data to be analysed by means of a line representing the mean and two further lines at a distance of three standard deviations from the mean.One of the commonest and earliest forms of control chart was invented in 1926 by Walter A. Shewhart (1891–1967) as a means of quickly identifying outliers which may arise during quality control. ΚΠ 1926 W. A. Shewhart in Bell Syst. Techn. Jrnl. 5 593 A brief description of a newly developed form of control chart for detecting lack of control of manufactured product. 1975 Quality Assurance Guidelines for Biol. Testing (U.S. Environmental Protection Agency) 75 If a point goes out of control (is outside the control limits) when plotted on the control chart, action should be taken to identify and correct the cause. 2008 Odessa (Texas) Amer. 24 Nov. 4 c/5 (advt.) Develop a written plan to address abnormalities identified on quarterly control charts and submit to plant management. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。