| 单词 | shock front |
| 释义 | > as lemmasshock front shock front n. the surface described by the leading edge of a shock wave; a shock wave. ΘΚΠ the world > matter > physics > mechanics > types of motion > [noun] > wave > types of wave long wave1792 internal wave1804 stationary wave1833 solitary wave1838 standing wave1845 travelling wave1845 pressure wave1871 ripple1871 surface wave1887 sine wave1893 Rayleigh wave1903 shock wave1907 spherical wave1907 Love wave1924 bow shock1938 Rossby wave1951 soliton1965 the world > matter > physics > mechanics > types of motion > [noun] > wave > types of wave > front of shock wave shock front1949 1940 J. Stack et al. Compressibility Bubble (U.S. National Advisory Comm. Aeronautics: Rep. No. 646) 89/1 The movement of the shock front with increasing speed is not well understood. 1969 New Scientist 28 Aug. 434/2 The boom signature appears to coalesce at a relatively short distance from the flightpath into two shockfronts. 2002 Black Belt Mar. 30/2 When a grenade explodes, a shock front expands outward from the center of the blast. < as lemmas |
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