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Objective to analyse the mechanics character of cross action forceps for optic nerve injury, and investigate a facile method to measure the clip force of the forceps.
目的分析视神经损伤反向夹持镊的力学性质，探索一种简易的测量反向镊夹持力的方法。
The utility model resolves the question that the anchorage clip is easy to crack along the longitudinal recess because of uneven force, which is characterized by high intensity.
解决了锚具夹片因受力不均而容易沿竖槽开裂的问题，具有强度高的特点。
Objective: To quantitatively study the different retentive force of bar-clip attachment supporting overdenture with different number and site of retentive nylon-clip.
〔摘要〕 目的：定量评价尼龙卡设置数量及部位对杆卡式附着体固位的覆盖义齿固位力的影响。
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