在汽车车架有限元计算中，必须考虑前钢板弹簧在整个车架有限元模型中如何模拟。

During the finite element calculation of vehicle frame, the simulation of front leaf spring in the complete frame finite element mould must be considered.

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目的报告通过肩部前外侧小切口入路进行肱骨近端骨折切开复位肱骨近端锁定钢板(LPHP)内固定的临床效果。

Objective To report the clinical results of the treatment of proximal humeral fractures with a locking proximal humeral plate (LPHP) through a small skin incision on the anterolateral shoulder.

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固定方法有：前环骨折采用钢板固定；后环骨折分离采用骶骨棒，四孔方形钢板，松质骨螺钉固定。

The methods include posterior ring internal fixation by using sacral bars, four-hole square plates or cancellous screws with anterior ring fixed by plates.

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