| 释义 |
〔betatron〕A magnetic induction electron accelerator capable of accelerating electrons to energies of several hundred million electron volts.β加速器：一种磁感应电子加速器，能将电子加速至产生几百万电子伏〔arm〕several million volunteers under arms; the profession of arms.几百万服现役的志愿兵；军人职业 |