客户端具有以用户查询的点为中心显示地图以及计算两点距离的功能。

The client has two main functions, one is displaying a map with the center of the user request, the other is calculating the distance of two points.

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还可以对你所查看的页面进行缩放，测量页面中两点间的距离。

Also you can Zoom the page you are viewing and measure distances between any two points on the page.

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这一思想就是，两点间的度量距离取决于他们观察的参照系。

This is the idea that the measured distance between two points depends on the frame of reference from which they are viewed.

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It creates as a distance between two points, rather than a straight line, an arabesque.

它加长了两点之间的距离，使它变得非直而曲。

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In other words, replacing the shortest distance between two points that we experience in a practical message, "literariness," as the formalists call it, or "poetic language," as they also sometimes call it and as the New Critics certainly call it, slows us down.

也就是说，实用语言以最短的距离,联系两点，而文学性，如形式主义者所称，或诗意的语言，他们有时也会这么叫,新批评派成员一定会这么称呼，使我们的理解速度慢了下来。

耶鲁公开课 - 文学理论导论课程节选

I don't know how well you can see it in this figure here, is the slope of a straight line connecting these two points, and as the points come closer and closer, the straight line would become tangent to the curve.

我不清楚你们对于这个图像的理解,这条连接两点的斜线,随着两点距离逐渐缩小,两点连线会变成曲线的切线

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