| 释义 |
Ara, R.
- ARAabbr. 非洲铁路协会（African Railway...
- auroreadj. 朝霞色的
- auroran. 极光；曙光
- 读、写、算dú _ xiě _ suàn
the three R's
- 阴极射线管yīn jí shè xiàn guǎn
cathode-ray tube (CRT); cathode-ray lamp; C-R tube
- 絮凝反应xù níng fǎn yīng
flocculoreaction; F. R.
- 每分钟转数měi fèn zhōng zhuǎn shù
revolutions per minute (r/m)
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