术后2周，4周，8周和12周分别行放射性核素骨显像监测两组人工骨对骨缺损的修复能力。

The ability of bone defect repair was evaluated by using radionuclide bone imaging at 2, 4, 8 and 12 weeks postoperatively.

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术后2周，4周，8周和12周分别行放射性核素骨显像监测两组人工骨对骨缺损的修复能力。

The ability of bone defect repair was evaluated by using radionuclide bone imaging at 2, 4, 8 and 12 weeks postoperatively.

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