In the case of France, there is the work of a brilliant military engineer called Vauban, v-a-u-b-a-n.

至于法国，这里有一位杰出的军事工程师的作品，工程师名叫 Vauban，v-a-u-b-a-n。

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The debate centres around three scenarios: “V”, “U” and “W”.

辩论的中心围绕着三个剧本进行：“V”形，“U”形和“W”形。

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And to find the bounds perhaps the easiest is to draw a picture of a region in u, v coordinates.

相对简单的、找出边界的办法,就是在u、v坐标系下画出积分区域。

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