溯源

英语翻译

trace to the source

拓展翻译

溯
go against the river; recall

溯查
trace

溯河性的
anadromous

溯及既往
ex post; retroactivity

溯及既往的
ex post facto; retrospective

溯及既往的法律
ex post facto law; retroactive law

溯及既往原则
doctrine of retroactivity; principle of retroactivity

石油资源
oil resources

时钟脉冲源
clock pulse source; clock source

实物资源
physical resources

实验室电源
laboratory power supply

实源
actual source

实质渊源
substantial source

使用资源收益率
ratio of return on resources employed

世界能源
world energy sources

世外桃源
a haven of peace

势源
potenteal source

事故备用电源
emergency auxiliary power

事故电源
emergency (power) supply; emergency power(supply)

事故电源装置
emergency power supply unit