现对深低温保存的同种异体骨半关节移植治疗股骨远端肿瘤的保肢手术及其愈后进行分析。
We will now to analyse and discuss the therapeutic effect and prognosis of hemi-articular allograft transplantation in the treatment of distal femoral tumor.
紧凑爱保太的分枝角度显著大于普通型和半矮化型。
Branch angle of compact type was the biggest and its canopy shape was flatter than the others.
利用保角变换，首先在二维平面得到双曲线型的等位线簇方程，然后过渡到三维空间，从而得到表面为单叶双曲面（两实半轴相等）的带电导体的等位面簇方程。
Transition to the three-dimensional space, then we obtain the equation of equipotential surface families of charged conductor with surface of hyperboloid of one sheet.
本文提出了采用套保组合收益率的均值、方差和半方差作为综合衡量套保绩效指标的新方法。
New method of evaluating the hedge performance which adopted the integrated index of mean, variance and low partial moments of the returns of the hedging portfolio was proposed.
本文提出了采用套保组合收益率的均值、方差和半方差作为综合衡量套保绩效指标的新方法。
New method of evaluating the hedge performance which adopted the integrated index of mean, variance and low partial moments of the returns of the hedging portfolio was proposed.
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