前前后后算法
forward-backward algorithm
八大前后
before and after The Eighth National Congress of t
避震器前后活塞杆
Piston Rod of Front and Rear
长度计算用牵引座前置距
fifth wheel lead
fifth wheel lead for calculation of length
成矿前后断裂
pre
post-metallogenesis fault
耻骨后前列腺癌根治术
radical retropubic prostatectomy
出生前后
period from prenatal to postnatal
出生前后铅暴露
pre-and postnatal lead exposure
处理前后的特性
pre-and post-treatment performance
大震前后
before and after strong earthquakes
单组前后观测设计
one group beforeafter design