英语语法分析

Rolled up in the form of a coil with the tip in the center as an unexpanded fern frond .

拳卷的，旋卷的卷成线圈样式，其尖端在中间的，如未展开的蕨叶的。

Rolled up in the form of a coil with the tip in the center, as an unexpanded fern frond.

拳卷的，旋卷的卷成线圈样式，其尖端在中间的，如未展开的蕨叶的。

Objective To explore the clinical effect of femoral shaft comminuted fracture cured by unexpanded interlocking bone nail.

目的探索应用不扩髓髓内钉固定治疗肱骨干粉碎性骨折的临床效果。