查询词典 back down off

off-road vehicle; off-the-road vehicle：越野车辆

off-road transport unit;越野运输队; ; | off-road vehicle; off-the-road vehicle;越野车辆; ; | off-the-shelf products;现成产品;可从市场购到的现成产品; ;

take off their spacesuits：脱下航空服 (a plane)take off 起飞

pick up the news 收听新闻 | 35. take off their spacesuits; 脱下航空服 (a plane)take off 起飞; | take a day off; 休假一天

She deserves a pat on the back：(她应该得到表扬. )

16 Good employees get a pat on the back, while good secretaries get a pat on the as... | 17 She deserves a pat on the back.;(她应该得到表扬. ) | 18 Pats on the back weren't enough, he wanted fast cash....

give him a pat on the back：(轻轻拍背部)

see his back (他离开). | give him a pat on the back (轻轻拍背部) | turn your back on somebody (不理睬他人),

back-up air tank：备用气箱

back-up air supply 备用空气源 | back-up air tank 备用气箱 | back-up cooling 备用冷却

back annotation：背面注解

back and design 後端设计 | back annotation 背面注解 | back rack 背後接线架

answer back：回答

answer back code 应答码 | answer back 回答 | answer back 信号回答

answer back mechanism：振铃应答机构, 自动回答机构

answer back key | 应答电键 | answer back mechanism | 振铃应答机构, 自动回答机构anticipation- | answer back | 顶嘴

answer back mechanism：应答机构

应答电键 answer-back key | 应答机构 answer-back mechanism | 应答信号 answer-back signal

answer back mechanism：回答机构

回答键 answer back key | 回答机构 answer back mechanism | 回答内存 answer back memory

liquid helium：液态氦

除了路径积分及应用在量子电动力学的研究成果之外,费曼其它重要的研究贡献还有1953年发表有关液态氦(liquid helium)超流体理论,以及1969年提出的成子(parton)模型.

fly wheel nut wrench：装拆飞轮螺母扳手

fly wheel magneto 飞轮式永磁发动机 | fly wheel nut wrench 装拆飞轮螺母扳手 | fly wheel pump 飞轮泵