| 释义 |
R.Tr.
- retryvt. 重试；重审 n. [计]重操作
- retron. 制动火箭,减速火箭
- retirevi. 退休；撤退；退却 vt. 退休；收回；离开
- 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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