So, a topographic map, this one from the US geological survey shows you, basically, all the level curves of an altitude function on a piece of land.

这是一幅由美国地形勘测出来的地形图，基本上，所有海拔等高线在一块陆地上。

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Today, most industrial farms also grow just one crop rather than an array of crops on one piece of land.

目前，大多数工业农场在一片土地上只种植一种作物，而不是一系列的作物。

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C thought that since there is only one piece of land in the country and land is non productive asset, its value must definitely go up.

丙想既然这个岛国只有一个岛，而且岛是非生产资产，这个岛一定会升值。

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A normal reason for fighting is a dispute about a piece of land that is more or less on the boundary between them, and so that's one aspect of their world.

战争的常见原因就是领土争端,争夺一片或多或少在他们边界之间的领土,这是他们生活的一个部分

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