back oscillation
回波振荡, (雷达)射速回程
time:4/29/2010 9:21:12 AM

back out
v. 收回, 停止不干
time:4/28/2010 10:05:56 PM

back out of
收回(诺言等)
time:4/28/2010 10:05:56 PM

back outlet return bend
后孔U型接头
time:4/29/2010 9:21:12 AM

back pack
背包
time:4/29/2010 9:21:12 AM

back pages
左页, 偶数页
time:4/29/2010 9:21:13 AM

back panel
后[反]面板, 背板
time:4/29/2010 9:21:17 AM

back pass
后传, 背传
time:4/29/2010 9:21:17 AM

back passage
n. 直肠
time:4/29/2010 9:21:17 AM

back pay
n. 欠薪
time:4/28/2010 10:05:56 PM

back payment
逾期支付
time:4/29/2010 9:21:18 AM

back pitch
背景距, 反螺旋, 后列铆钉间距
time:4/29/2010 9:21:18 AM

back plan
底视图
time:4/29/2010 9:21:18 AM

back plate
支承板
time:4/29/2010 9:21:18 AM

back play
空程, 空隙
time:4/29/2010 9:21:18 AM

back poppet
后顶针座, 后随转尾座
time:4/29/2010 9:21:18 AM

back porch
后沿
time:4/29/2010 9:21:24 AM

back porch interval
消隐脉冲后肩持续时间
time:4/29/2010 9:21:24 AM

back porch of pedestal
(同步脉冲后面)熄灭脉冲后沿
time:4/29/2010 9:21:24 AM

back porch sample pulse
后肩取样脉冲
time:4/29/2010 9:21:24 AM

back porch tilt
后肩倾斜, 后沿倾斜
time:4/29/2010 9:21:24 AM

back pork
脊背肉, 通脊肉(在脊椎骨底下, 为两长条形瘦肉)
time:4/29/2010 9:21:24 AM

back pouring
补浇 注
time:4/29/2010 9:21:24 AM

back pressure evaporator
背压式蒸发器
time:4/29/2010 9:21:24 AM

back priming
背里底漆涂装
time:4/29/2010 9:21:24 AM

back profile
后侧面肖像(后脑在前, 脸的大部分被额和颊挡住)
time:4/29/2010 9:21:30 AM

back projection
背景放映(利用银幕做背景进行合成)
time:4/29/2010 9:21:31 AM

back projector
背景放映机
time:4/29/2010 9:21:31 AM

back pull
后拉力, 后张力
time:4/29/2010 9:21:31 AM

back radiation
反向散射, 反向辐射
time:4/29/2010 9:21:31 AM