The proper time of operation is about 1 year after injury.
晚期手术时机，一般在伤后1年为宜。
GE group could add ropivacaine according to the extending time of operation.
GE组据手术时间的延长可追加罗哌卡因注射液。
Objective To investigate the therapy methods and time of operation of acute cholecystitis in aged patients.
目的探讨高龄急性胆囊炎治疗方法和手术时机。
Conclusion External fixation causes minor trauma and less bleeding, takes shorter time of operation, and does not require transfusion.
结论外固定术具有创伤小，手术时间短，出血极少，不输血等优点。
At present, there is no effective means of monitoring the turnout. Turnout in the day-to-day repairs and maintenance will occupy much more time of operation.
目前我国铁路尚没有行之有效的道岔监测手段，道岔的日常维修和维护将占用较多的运营时间。
Its each operational step produces a string of elements instead of one element. Hence the algorithm reduces the time of operation, and accelerates the speed of generation.
该算法每步运算可生成一列元素而不是一个元素，因而减少了运算次数，加快了生成速度。
Magnetic field parameters include magnetic field style, field intensity size, time of operation and so on, these parameters are major factors on infection of magnetic field biology.
磁场参数包括磁场类型，场强大小，作用时间等，这些参数是影响磁场生物学效应的主要因素。
There was no significant difference in complication rate and hospital cost in two groups(P>0.05). But there was significant difference in time of operation and hospitalization(P<0.05).
两组结石残留率、近期并发症发生率、住院费用等方面差异无显著性（P>0.05），而在手术时间、住院时间等方面差异有显著性（P<0.05）。
There was no significant difference in complication rate and hospital cost in two groups(P>0.05). But there was significant difference in time of operation and hospitalization(P<0.05).
两组结石残留率、近期并发症发生率、住院费用等方面差异无显著性（P>0.05），而在手术时间、住院时间等方面差异有显著性（P<0.05）。
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