目的：观察关节镜下采用自体腘绳肌腱双束重建前交叉韧带的临床疗效。
OBJECTIVE: to evaluate the clinical curative effects of arthroscopic reconstruction of anterior cruciate ligament using autologous hamstring tendons in a double-bundle technique.
目的对比自体腘绳肌腱和同种异体半腱肌腱双束重建前十字韧带的初期临床疗效。
Objective to compare the primary clinical results of double-bundle anterior cruciate ligament reconstruction (ACLR) with hamstring tendon autografts versus semitendinosus allografts.
依此原理，模拟了双高斯分布函数的投影，并由平行束卷积法重建出模拟的温度场。
On this foundation, it simulates the projections for double Gauss distribution function and reconstructs the simulating temperature field by the convolution method for parallel beam.
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