| 单词 | hypervelocity | 
| 释义 | > as lemmashypervelocity   hypervelocity  n.  Brit.  , U.S.   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. < as lemmas  | 
	
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