查询词典 hand back

back cone ; normal cone：背锥

背对背安装 back-to-back arrangement | 背锥 back cone ; normal cone | 背锥角 back angle

right back：右后卫

说完了中场,该说说后卫(full back)了. 后卫这片场地里也实行"分片负责制",有中后卫(center back)、左后卫(left back)和右后卫(right back). 有时为了防止被对手轻易突破防线,还要有一个拖后中卫(sweeper).

be laid on one's back：卧病在床

be glad to see sb.'s back (= be glad to see the back of sb.) 巴不得某人离开; 希望摆脱某人 | be laid on one's back 卧病在床 | be on one's back 仰卧; [口]卧病; [口]毫无办法, 一筹莫展

Manual Recline - Backrest reclines back 150 Degrees：手册倾斜幅度-靠背r eclines回1 50度

3 Programs: Full Back, Upper Back, Lower Back 3程式:全背部,上背部,下背... | Manual Recline - Backrest reclines back 150 Degrees手册倾斜幅度-靠背r eclines回1 50度 | In Stock for FAST SHIPPING!在股市快速船...

Back-to-back victories：连续的胜利

Momentum 势头 | Back-to-back victories 连续的胜利 | Back-to-back 紧接着,背靠背;想到NBA中经常听到球队有"背靠背"的比赛

left back left full-back：左後衛

back 後衛 | left back left full-back 左後衛 | right back right full-back右後衛

Back-to-Back Devices：背对背装置

Back-propagation Network 倒传递网络 | Back-to-Back Devices 背对背装置 | Back-Up System 备份系统

back-to-back counter：背向计数器;加倍计数管

背向计数器;加倍计数管 back-to-back counter | 背向游离腔 back-to-back ionization chamber | 辅助安全装置 backup safety device

back-to-back angle：背靠背组合角钢

back-to-back angle&nbspT形组合角钢 | back-to-back angle 背靠背组合角钢 | backup 后备

back-wall photovoltaic cell：背壁光电伏特打电池

背对背锯齿波 back to back sawtooth wave | 背壁光电伏特打电池 back wall photovoltaic cell | 后部接线 back wire

genetic recombination：遗传重组

第三节基因重组和基因杂交基因重组(gene recombination) 遗传重组(genetic recombination):两个独立基因组内的遗传基因,通过一定的途径转移到一起,形成新的稳定基因组的过程.

d-c restorer：直流分量还原器

d-c reinsertion 直流成分恢复 | d-c restorer 直流分量还原器 | d-c ringer 直流电铃