选择点弹性还是弧弹性？
文中首先寻找弹性的由来始末，以及点弹性和弧弹性的产生过程，并各自找出它们的原始文献。
First, we seek the origin of the elasticity and the invention of the point elasticity and the arc elasticity. We also search for their original paper respectively.
对汽封弹性槽计算的结果表明：将原来设计的单圆弧弹性槽改为三圆弧弹性槽，热应变及热应变集中系数均可明显下降。
Thermal strain and strain concentration factor can also be reduced significantly by changing the single curvature relieve slot into three curvature relieve slot.
应用弹性力学理论，推导出接触点的曲率半径，对三弧段等距型面联接进行接触应力计算。
The curvature radius was derivated and the contact stress of the three-arc-sect isometric type surface was calculated through the elastic dynamics theory.
拉负荷跌落式熔断器增加弹性辅助头及灭弧罩，用以分、合负荷电流。
Pull load cascade fuse increase elasticity auxiliary head and arcing cover to points, and load current.
弹性好，速度快，出球旋转下沉，易控制，适合快攻结合弧圈选手使用。
The racket with merits of good bounce, high speed and fine control, is suitable for quick-attack with loop drive players.
粉末冶金结合微弧氧化可以制备低弹性模量和高生物活性的复合材料，具有较好的医用前景。
Composites of excellent medical application with low YME and high bioactivity could be fabricated by powder metallurgy and micro-arc oxidation.
粉末冶金结合微弧氧化可以制备低弹性模量和高生物活性的复合材料，具有较好的医用前景。
Composites of excellent medical application with low YME and high bioactivity could be fabricated by powder metallurgy and micro-arc oxidation.
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