1)relative age,相对时代2)time-correlation,时代对比;时间相关3)relative time phase,相对时相4)period corresponding,时代对应5)relative time,相对年代6)relative coding,相对代码
用法例句
Extraction of relative time phase signal from rotary machineries and its use in fault diagnosis;
旋转机械相对时相的提取及其在诊断中的应用
The New View of Summarizing the Intellectual Property Law --Discussing from period corresponding of the intellectural property and the science and technology progress;
