退回
The key on a typewriter or computer keyboard used for backspacing. 退格键打字机或计算机键盘上用于退格的键
All Colorado/Canyons, including the Hummer H3, are fitted with 6-lug rims (6 lugs - 5.5" {139.7 mm} bolt circle); both the 2WD and 4WD rims have the same backspacing. 所有科罗拉多/溪谷，包括悍马H3，装有6卢格轮辋（6耳-5.
In photocomposition, a backspacing technique whereby one character is tucked into another in order to avoid the optical impression of excessive spacing that can arise from the varying shapes of characters and combinations of characters. 照相排版中的一种退格技术，借此可以把一个字符挤入另一个字符所占的空间里，从而避免因字符的形状不同和不同的字符组合而引起的间隙过大所产生的不理想的视觉印象。
the key on a typewriter or computer keyboard used for backspacing 打字机或计算机键盘上用于退格的键
in photocomposition,a backspacing technique whereby one character is tucked into another in order to avoid the optical impression of excessive spacing that can arise from the varying shapes of characters and combinations of characters 照相排版中的一种退格技术，借此可以把一个字符挤入另一个字符所占的空间里，从而避免因字符的形状不同和不同的字符组合而引起的间隙过大所产生的不理想的视觉印象
tape backspacing 磁带反绕
