表明交感神经阻滞时间的增加和尿潴留发生率的增加有关。

It appears that increasing duration of sympathetic blockade correlates with an increased incidence of urinary retention.

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结论：0.5%，0.75%和1%罗哌卡因用于连续蛛网膜下腔运动神经完全阻滞时间无差异，恢复时间与剂量有关。

Conclusion There is no significant change of motor black time and it is related to drug dose for 0.5%, 0.75% and 1% ropivacaine in continuous spinal anesthesia.

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今年夏天，泰蜜开始服用激素阻滞剂，这将停止他的青春期发育，延迟宽肩膀、低沉的声音和面部毛发发育的时间。

This summer, Tammy started taking hormone-blocking drugs, which will stop him from experiencing puberty. It will postpone him developing broad shoulders, deep voice and facial hair.

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