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单词 hypervelocity
释义

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hypervelocity
hypervelocity n.
Brit. /ˌhʌɪpəvᵻˈlɒsᵻti/
,
U.S. /ˌhaɪpərvəˈlɑsədi/
a speed that is (relatively) very high; usually attributive.
ΘΠ
the world > movement > rate of motion > swiftness > [noun] > a very high speed
hypervelocity1955
light speed1974
1955 A. E. Eggers et al. Compar. Anal. Performance Long-range Hypervelocity Vehicles 24 Mar. (N.A.C.A. Rep. RM A54L10) 2 On the basis of equal ratios of mass at take-off to mass at the end of powered flight, the hypervelocity vehicle compares favourably with the supersonic airplane.
1960 Nature 29 Oct. 353/2 If the fused earth were hurled in the manner that ejectamenta from hypervelocity impact[s] in stone are hurled, then the maximum entry velocity [etc.].
1962 J. L. Potter et al. in F. R. Riddell Hypersonic Flow Res. 599 A small, low density, hypervelocity, continuous wind tunnel.
1964 Bull. Amer. Physical Soc. 9 308/2 (heading) Attainability of fusion temperatures under high densities by impact shock waves of microscopic solid particles accelerated to hypervelocities.
1972 Science 2 June 979/2 Hypervelocity impact craters on the moon.
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