The femoral head arthroplasty group had the least operation injury but had relative higher reversion rate and worse joint function compared to the total hip joint replacement group.
人工股骨头置换的手术创伤比全髋置换稍小，但并发症发生率、手术翻修率较高，术后功能比全髋置换差。
The results showed that there was slight chemical reaction between NBR and PA under high temperature and high shear rate, but the chemical reaction did not influence on the process of phase reversion.
结果表明，NBR与PA在高温、高剪切作用下，两相界面之间可发生微化学反应，但并不影响动态硫化时两相之间的相态反转过程。
According to the mean reversion theory, in the long term, the yield rate of stock price appears to follow the rule of mean reversion and negative autocorrelation.
均值回归理论认为，从长期来看，股票收益率呈均值回归，即长期收益率呈负自相关。
According to the mean reversion theory, in the long term, the yield rate of stock price appears to follow the rule of mean reversion and negative autocorrelation.
均值回归理论认为，从长期来看，股票收益率呈均值回归，即长期收益率呈负自相关。
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