估算方法的研究属于森林碳汇量定量研究的一个中间环节。
The estimation method study is of a intermediate link of quantitative forest carbon sequestration study.
结论：跟骨定量超声bua测值减低可反映早期RA骨量丢失的程度及评价疾病的活动性。
Conclusion: BUA could reflect bone loss degree and evaluate disease activity in early RA patients.
结论：跟骨定量超声bua测值减低可反映早期RA骨量丢失的程度及评价疾病的活动性。
Conclusion: BUA could reflect bone loss degree and evaluate disease activity in early RA patients.
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