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back annotation：逆向注解

azimuth 方位角 | back annotation 逆向注解 | back channel 反向通道,反向信道

back annotation：反向演译

"视线轴","axis of vision" | "反向演译","back annotation" | "黑市销售","back door selling"

answer back：顶嘴

projective personality measure 投射人格测量 | answer back 顶嘴 | back cone (锥齿轮)背锥

answer back mechanism：振铃应答机构

answer back code 应答码 | answer back mechanism 振铃应答机构 | answer extraction process 解答抽取过程

answer mode：回应模式

answer back 回应 | answer mode 回应模式 | answer-back code 回应码

Armpit cornering：夾腋起角

前後幅高低腳/高低肩 Misaligned bottom between front and back/high and low shoulder | 夾腋起角 Armpit cornering | 前後幅缸差,衫片同下欄缸差 Color shading between front/back or between body/bottom

assignable credit：可转让信用证

Certificate on packing 包装证书 | Assignable credit 可转让信用证 | Back to back credit对开信用证

Back at One：梦想成真

Back at One 梦想成真 | Back at One 梦想成真 | Its 1)undeniable that we should be together 不可否认,我们将会厮守在一起.

at the back of one's mind：在某人记忆深处,依稀记得

As bare as the back of one's hand: 一无所有,一贫如洗 | At the back of one's mind:在某人记忆深处,依稀记得 | Give mate to: 将军,将死(对方的王)

at the back of：在...(内部)后部

6. in the back of在...背后 | 7. at the back of在...(内部)后部 | 8. at the side of在...旁边

steam trap valve：疏水阀

球阀 ball valve | 疏水阀 steam trap valve | 蛇管式换热器 serpentine type heat exchanger

aldermanship：市政官

aldermanry 议员 | aldermanship 市政官 | Alderney 乳牛