Global group, domain local group, the difference between GM group.

全局组，域本地组，通用组的区别。

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There was no significant difference between group RF and group S (P>0.05) and the total dose of local anesthetic in group RF was significant less than that in group R (P<0.01).

RF组与S组的起效时间和首剂持续时间无显著性差异（P>0.05）； RF组局麻药总用量明显少于R组（P<0.01）。

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