| 词汇 | parameter |
| 词根词缀 | 词源： 1656, from Mod.L. parameter (1631), from Gk. para- "beside, subsidiary" + metron "measure" (see meter (2)). A geometry term until 1920s when it yielded sense of "measurable factor which helps to define a particular system" (1927). Common modern meaning (infl. by perimeter) of "boundary, limit, characteristic factor" is from 1950s. 词根记忆： n. 参数,参量Having checked the parameters of the apparatus, the paralysed parasite went to the paradise by parachute.检查过仪器的参数后,瘫痪的寄生虫乘降落伞到天堂去了. |
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