[網(wǎng)絡(luò)] 溯及既往原則 retroactivity: 追溯既往doctrine of retroactivity: 溯及既往原則non-retroactivity: 不溯及既往原則; 不追溯non-retroactivity ratione personae: 對人不溯及既往by principle: 按照原則下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯