结论血清MMP - 2与骨转换生化指标相关联。
Conclusion Serum MMP-2 is related to markers of bone turnover.
结果MMP-1与骨密度及骨转换生化指标无明显相关性；
Results There was no significant correlation between MMP-1 and BMD as well as bone turnover biochemical markers.
前处理单元在两个模式，即兼性生化模式与生物强化絮凝模式之间转换。
There are two modes in the preceding process, which are facultative biochemical mode and biologic enhanced flocculation mode.
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