... substitution reaction 置换回响 substitution measurement 置换测量 substitution imperfetion 更换缺陷 ...
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目的：测量、比较分析中国人胫骨后倾角与半月板后倾角，为人工全膝关节置换术中胫骨侧截骨提供参考。
Objective To compared the posterior slop between tibial plateau and meniscus in Chinese population for determining the angle of tibial osteotomy during total knee replacement(TKA).
方法：用原子吸收分光光度法测定血液滤过置换液中总钠含量，并根据《测量不确定度评定与表示》（JJF1059-1999）中有关规定评估其不确定度。
Methods:To determinate the total sodium in hemofiltration replacement fluid by atomic absorption spectrophotometry and appraise the uncertainty according to JJF1059-1999.
在基线、第二阶段后、第三阶段分别测量右腿的水置换效果。
Water displacement of the right leg was measured at baseline, after Phase 2, and after Phase 3.
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