A new approach to extract corners on the boundary was proposed. theoretical and experimental show that the algorithm is antinoise strongly and the corners are stabile.

摘要给出两种新的提取图像边界角点的新方法。理论和实验表明，算法具有较强的抗噪性，而且提取出的角点稳定。

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A theoretical calibration method for potential system with electric field boundary element method was introduced.

文中提出了一种用电磁场边界元法对电位法进行标定的理论标定方法。

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If the study of rhetoric of fiction want to gain its comparative independence and thoroughness, the theoretical boundary between narrative and rhetoric study must be clear.

小说修辞研究要想获得相对的独立性和彻底性，必须与小说叙事研究划清必要的理论界限。

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