方法较图解积分法可靠、准确、简便。

This method is more reliable and more accurate than graphical integration.

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并分别用图解积分法与等速比法处理数据，两种方法得到一致结果。

Identical results were obtained by using graphical integration and the ratios of equal rates methods to deal with the data.

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分别用矢量图解法和积分法导出了菲涅耳圆孔衍射中心场点的光强的解析表示，方便了此类问题的分析。

An analytic expression for the intensity of the central point in Fresnel's circular aperture diffraction was derived using the methods of vector map and integration respectively.

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