| 单词 | power level |
| 释义 | > as lemmaspower level power level n. the amount of power being transmitted, produced, etc. (often expressed relative to some reference or zero level). ΘΚΠ the world > matter > physics > energy or power of doing work > [noun] > degree of strengthOE intensivenessa1656 potencya1691 intensity1794 potence1817 energy level1902 power level1929 muscle1986 1929 H. Fletcher Speech & Hearing iii. 68 A change of the power level of a sound by one decibel is approximately the smallest that the ear can detect. 1945 H. D. Smyth Gen. Acct. Devel. Atomic Energy Mil. Purposes viii. 85 The production goal..was set at a figure which meant that the pile should operate at a power level of 1000 kw. 2003 Sci. Amer. Feb. 60/3 They are transmitted to ensure a minimum signal power level of between −160 and −166 dBW (160 to 166 decibels below one watt) at the earth's surface. < as lemmas |
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