This paper introduces a rhumb algorithm for calculating the minimum-time ship route.

介绍一种恒向线算法计算船舶最短时间航线。

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At last, from the reflection imaging theory and the calculating method of the converse light route, this test deduces the easy way to measure thin convex lens's optics parameter.

最后，通过薄凸透镜的反射成象原理和逆向光路的计算，推导出测量薄凸透镜的光学参量的简便方法。

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At last, from the reflection imaging theory and the calculating method of the converse light route, this text deduces the easy way to measure this convex lens's optics parameter.

最后，通过薄凸透镜的反射成象原理和逆向光路的计算，推导出测量薄凸透镜的光学参量的简便方法。

youdao

At last, from the reflection imaging theory and the calculating method of the converse light route, this text deduces the easy way to measure this convex lens's optics parameter.

最后，通过薄凸透镜的反射成象原理和逆向光路的计算，推导出测量薄凸透镜的光学参量的简便方法。

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