| 释义 |
h.r.h
- HRHabbr. 殿下（His/Her Royal Highn...
- Hirohiton. 裕仁（日本天皇）
- 氢qīng
hydrogen (H)
- 读、写、算dú _ xiě _ suàn
the three R's
- 每分钟转数měi fèn zhōng zhuǎn shù
revolutions per minute (r/m)
- 阴极射线管yīn jí shè xiàn guǎn
cathode-ray tube (CRT); cathode-ray lamp; C-R tube
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