backward

backward and forward

= backwards and forwards [见 backwards]

backward attribute

[计] 反向属性

backward busying signal

[计] 回程占线信号

backward caries

[医] 逆行性龋

backward chaining

[计] 反向链接

backward channel

[计] 反向信道

backward classes

落后阶级, 落后种姓（印度各省当局建议在教育和就业方面给予优惠）

backward compatibility

向后兼容
[计] 向后兼容

backward compatible

[计] 向前兼容

backward conditional probabilities

[计] 后向条件概率

backward counter

[计] 减法计数器, 反向计数器

backward curvature

[医] [脊柱]后弯, 脊柱前凸

backward deduction system

[计] 后向演绎系统

backward diagonal

[计] 后向对角线

backward difference

[计] 后向差分

backward difference method

[计] 后向差分法

backward difference operator

[计] 后向差分算子

backward differentiation method

[计] 后向差分法

backward differentition method

[计] 后向差分法