向后

flat backswing

水平后摆

挥拍 swing [wield] the racket;wind-up | 水平后摆 flat backswing | 向后弧线挥拍 circular backswing

backward difference operator

后向差分算子

backward difference method 后向差分法 | backward difference operator 后向差分算子 | backward difference 后向差分

backward difference quotient

后向差商

backward difference operator 后向差分算子 | backward difference quotient 后向差商 | backward solution 后向解法

backward difference

后向差分

backward difference operator 后向差分算子 | backward difference 后向差分 | backward flow 回流

backward difference implicit

后向差分隐式法

backward difference approximation 后向差分近似法 | backward difference implicit 后向差分隐式法 | backward difference method 后向差分法

downward compatible

向下兼容,后向兼容

向上兼容,前向兼容 Upward Compatible | 向下兼容,后向兼容 Downward Compatible | 像素 Pixel

backward error analysis

后向误差分析

881,"backward equation","后向方程" | 882,"backward error analysis","后向误差分析" | 883,"backward interpolation","后向挿值"

backswept wing aircraft

后掠翼飞机

backswamp | 漫滩沼泽 | backswept wing aircraft | 后掠翼飞机 | backswept | 向后倾斜的

retrojection

后投 (名)

retroject 向后抛; 掷回 (动) | retrojection 后投 (名) | retrolental 眼晶状体后面的 (形)

back tool rest

后刀架

back to face ==> 反面对反面相叠 | back tool rest ==> 后刀架 | back trace technique ==> 向后追踪技术,回溯技术

tram stop：(有轨)电车车站

post 邮局 | tram-stop(有轨)电车车站 | zebra-crossing 斑马线

Jaish-e-Mohammad,JEM：穆罕默德军

16. 乌兹别克斯坦伊斯兰运动Islamic Movement of Uzbekistan,IMU | 17. 穆罕默德军Jaish-e-Mohammad,JEM | 18. 伊斯兰祈祷团Jemaah Islamiya Organization,JI