| 单词 | group speed |
| 释义 | Example sentences from the Web for group speed
group speedgroup velocitynounphysics the speed at which energy is propagated in a wave. This is the quantity determined when one measures the distance which the radiation travels in a given time. In a medium in which the speed increases with wavelength the group speed is less than the phase speed, and vice versa Words nearby group speedGroup of Twenty Finance Ministers and Central Bank Governors, Group of Twenty-Four, groupoid, group practice, group representation, group speed, group theory, group therapy, groupthink, groupuscule, group velocity Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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