| 释义 |
Yara, R.
- yardarmn. [航海]桁端；横杆端
- yardagen. 码数；按码计算；火车站内栏舍之使用费
- yardmann. 调度员；场地工作；园丁；庭院打杂工人
- 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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