back trace  尾迹; 回描回扫

ICMP trace-back  源追踪技术

IP trace back  事务IP回溯

layered back-trace  分层回溯

trace back  网络跟踪; 回溯; 回溯调整; 回忆

Trace back to  追溯; 追溯到

Trace back to the source  溯源

trace-back  回溯法; 追踪

trace-back algorithm  回溯算法

back up trace  测井曲线记录备用道

angles back to back  背对背角钢

Back filling at abutment back of Bridge or culvert  桥涵台背回填

back reaming and back transportation  反扩反输

back to back  背至背; 背靠背; 背对背

back to back arrangement  背对背配置

Back to Back Bus  背板总线

Back to back charter  转租合同

back to back connection  背向接线; 背对背连接

Back to Back Converter Station  背靠背换流站

back to back diodes  背对背二极管