查询词典 knock back

back bond：反担保,反向键,退回证券

back bolting 顶板杆柱支护 | back bond 反担保,反向键,退回证券 | back brace 后撑

Outside Back Cover：封底

封三/Inside Back Cover 92,000 | 封底折页/Back Cover Gatefold 220,000 | 封底/Outside Back Cover 180,000

Back Cover Gatefold：封底折页

封三/Inside Back Cover 92,000 | 封底折页/Back Cover Gatefold 220,000 | 封底/Outside Back Cover 180,000

back door selling：黑市销售

"反向演译","back annotation" | "黑市销售","back door selling" | "积欠订单","back order"

back door interference：后门干扰(与电力线同方向进入天线电路之干扰噪声)

back discharge | 反向放电 | back door interference | 后门干扰(与电力线同方向进入天线电路之干扰噪声) | back door | 后门, 秘密途径

back door interference：后门干扰

back door 非法途径 | back door interference 后门干扰 | back draft 反拔模斜度,反拨模斜度,反斜度

back down off：放弃,让步,退却

back away 逐渐后退 | back down off 放弃,让步,退却 | back of 在...的后面;在...背后

back down：放弃,让步,退却

back and forth来回,往返,来来往往地 | back down放弃,让步,退却 | back off后退,让步

back draft：逆通风

back draft explosion 逆通风爆炸 | back draft 逆通风 | back flame 复燃火焰

back draft explosion：逆通风爆炸

back down 撤退 | back draft explosion 逆通风爆炸 | back draft 逆通风

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