When an object caroms off a curve, the Angle of impact is equal to the Angle of rebound.

当一个物体反弹离开曲线时，撞击角等于回弹角。

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The accuracy of the curve is tested and verified by the practical engineering, and the curve can be used as the curve for early-age ground slag concrete strength by rebound method in Zhengzhou.

经工程实践验证了该曲线的测试精度，建议可作为郑州市早龄期磨细矿渣混凝土回弹法的专用测强曲线。

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According to a report released by iSuppli on Wednesday, the electronics industry in Japan has seen a steep recovery curve and will have completely rebound to pre-quake levels by the end of the third quarter.

FORBES: Japan Industrial Production Skyrockets As Global Supply Chain Comes Back On-Line