结果：单一钛小夹板沿中线固定下颌角区、体部颏孔区及正中联合区骨折骨断端均产生较大的弯曲及扭转移位。
Results: a large bending and torsion displacement was founded in Angle, body and symphyseal fracture fixed by a single titanium mini-plate along the middle line.
用移位寄存器对单一序列易于控制，对其它的控制较为困难。
Using shifting register to control single sequence is very easy, but difficult to other control methods.
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