| 单词 | standard candle |
| 释义 | standard candle (once / 422119 pages) n WORD FAMILY standard candle: standard candles USAGE EXAMPLESThis type of cosmological probe is called a standard candle. Nature(Sep 27, 2016) Such signposts, or ‘standard candles’, have been the main tool for estimating the rate of expansion of the Universe. Nature(Sep 08, 2016) Shapley had found a stellar standard candle, a star noticeable because of its variability, but which had always the same average intrinsic brightness. Carl Sagan, Cosmos(1980) n the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin Syn|Hyper candela, candle, cd candlepower unit, luminous intensity unit a measure of luminous intensity |
| 随便看 |
|
英语词典包含147318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。