為您提供Hertz英英釋意。" />

色欲tv国产亚洲_久久午夜夜伦鲁鲁影院_一级特黄无码A片在线观看_免费黄色性感一级片_国内破女处破苞视频hd_欧美三级少妇免费_亚洲美腿丝袜福利一区_白丝秘书被躁到高潮视频av_91麻豆精品分享的内容是很丰富的_国产原创免费av网站

首頁英語詞典HertzHertz英英釋意

Hertz

英 [h??ts]
  • n. 赫茲（姓氏）

英英釋意

1. the unit of frequency; one Hertz has a periodic interval of one second
2. German physicist who was the first to produce electromagnetic waves artificially (1857-1894)
3. German physicist who with James Franck proved the existence of the stationary energy states postulated by Bohr (1887-1975)