flat backswing

水平后擺

揮拍 swing [wield] the racket;wind-up | 水平后擺 flat backswing | 向后弧線揮拍 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

后向差分隱式法

backward difference approximation 后向差分近似法 | backward difference implicit 后向差分隱式法 | 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

后向誤差分析

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

backswept wing aircraft

后掠翼飛機(jī)

backswamp | 漫灘沼澤 | backswept wing aircraft | 后掠翼飛機(jī) | backswept | 向后傾斜的

retrojection

后投 (名)

retroject 向后拋; 擲回 (動(dòng)) | retrojection 后投 (名) | retrolental 眼晶狀體后面的 (形)

back tool rest

后刀架

back to face ==> 反面對反面相疊 | back tool rest ==> 后刀架 | back trace technique ==> 向后追蹤技術(shù),回溯技術(shù)