目的：对比观察三重固定纽扣钢板重建肩锁关节复位的生物力学性能。
OBJECTIVE: to observe the biomechanics of acromioclavicular joint reduction using triple button plates.
从聚合物光电池中光电流和暗电流的产生机制出发，对该现象进行了解释，认为外加磁场可以有效改变单重态极化子对和三重态极化子对之间的相对比例，进而使自由载流子浓度增加。
The results show that the magnetic field can effectively change the relative ratio between the singlet and the triplet polaron pairs, resulting in an increase in the density of the free carriers.
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