| 释义 | 
             
                pregnancy duration
                
            preregistrationn. (办理正式手续前的)预先登记,预先注册predeterminationn. 预先决定;原有意图prestidigitationn. 变戏法
 妊娠期间rèn shēn qī jiān 
 pregnancy duration子宫外孕zǐ gōng wài yùn 
 ectopic pregnancy身孕shēn yùn 
 pregnancy孕yùn 
 be pregnant; pregnancy为期wéi qī 
 duration持续时间chí xù shí jiān 
 duration; length of time; time of duration身shēn 
 life; body; person; status; pregnancy宽度kuān dù 
 width; breadth; duration龄líng 
 instar; age; duration; years暂zàn 
 of short duration; temporary妊娠rèn shēn 
 gestation; gravidity; pregnancy; fetation; conception火候huǒ hòu 
 duration, level of attainment怀孕huái yùn 
 pregnancy; family way; with child; fetation拌合时间bàn hé shí jiān 
 duration of mixing萌发期间méng fā qī jiān 
 duration of germination期间qī jiān 
 time; period; course; duration; term短暂duǎn zàn 
 of short duration; momentary; transient; brief久jiǔ 
 for a long time; long; of a specified duration脉宽调制mò kuān diào zhì 
 PWM(pulse width modulation); PDM(pulse duration modulation)驻留时间zhù liú shí jiān 
 residence time; gaze duration; dwell time
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