单词 | particle beam |
释义 | > as lemmasparticle beam particle beam n. = beam n.1 19d; spec. such a high-energy beam used as a weapon. ΚΠ 1929 Proc. Royal Soc. A. 122 678 The line joining their ends was perpendicular to the direction of the central ray of the α-particle beam.] 1953 Proc. Royal Soc. A. 220 498 The particle beam could be cut off by an electromagnetically controlled shutter H. 1978 Maclean's 18 Dec. 32/1 There is some speculation in the intelligence agencies in Washington that the Soviet Union is ahead of the U.S. in researching particle-beam weapons. 2002 A. Reynolds Redemption Ark xxv. 369 The yields were about one hundredth of a crustbuster burst, which was sufficient to power a particle beam or graser with a five-light-second kill range. < as lemmas |
随便看 |
英语词典包含1132095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。