Objective To compare the clinical effects of the reconstruction with uni- and double-bundle for the posterior cruciate ligament (PCL) under arthroscopy.
目的分析比较关节镜下单束单隧道与双束股骨双隧道重建后十字韧带（PCL）术后的临床效果。
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：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 compare the primary clinical results of double-bundle anterior cruciate ligament reconstruction (ACLR) with hamstring tendon autografts versus semitendinosus allografts.
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。
Its most remarkable feature consists in the substitution of the single fiber optic bundle for the double bundle commonly used in other countries.
装置最显著的特点就是用单束光纤代替了国外通常采用的两束光纤(送光束和受光束)的功能。
An analytical model of thermal-hydraulic design and structural optimization was developed for a double-tube bundle heat exchanger of an integrated nuclear reactor.
建立了套管管束式换热器的计算模型，以便进行该种换热器热工水力学设计计算和结构优化。
An analytical model of thermal-hydraulic design and structural optimization was developed for a double-tube bundle heat exchanger of an integrated nuclear reactor.
建立了套管管束式换热器的计算模型，以便进行该种换热器热工水力学设计计算和结构优化。
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