duty ratio [自] 負(fù)載比；[通信] 占空率duty period 工作周期；執(zhí)勤時段duty paid [稅收] 關(guān)稅已付；[稅收] 已繳納稅款duty of utmost good faith [法學(xué)]最大誠信義務(wù)duty of salvor [交通運(yùn)輸工程]救助人責(zé)任duty of care 注意義務(wù)duty manager 值班經(jīng)理duty jitter [計算機(jī)科學(xué)技術(shù)]工作抖動duty in arrears [經(jīng)濟(jì)學(xué)]欠稅duty free goods n. [稅收] 免稅品duty free [稅收] 免稅duty factor [電子] 占空因數(shù)；線圈間隙因數(shù)；工椎數(shù)；工作系數(shù)duty exemption 免稅duty cycle of pulse duration [機(jī)械工程]脈沖焊接電流占空比duty cycle [電] 工作周期；占空度；[計][通信] 忙閑度duty bound 有責(zé)任（做某事）；感到應(yīng)該duty aggressiveness [法學(xué)]職務(wù)侵占duty (n.) duty n. 責(zé)任；[稅收] 關(guān)稅；職務(wù) n. (Duty)人名；(英)迪蒂dutifulness adj.順從的；盡職的；責(zé)任感強(qiáng)的