The final piece of the small Web application that I want to describe is the frame that shows non-spatial attributes whenever you move the mouse over a particular geometry.
对于这个小型的 Web 应用程序，我要谈到的最后一部分是用于显示非空间属性的一个框架，每当将鼠标移到一个特定的几何图形上时，该框架就显示它的非空间属性。
Thus in geometry you are told to conceive the circumference of a circle as formed of an infinite number of infinitely small straight lines.
譬如，在几何学里我们必须假定，一个圆周的圈线是由无限多喝无限小的直线形成的。
By using differential geometry property of small object of infrared image, computing minimal normal curvature which is used as the threshold to obtain candidate objects for small target.
利用图像小目标的微分几何特性，计算图像的最小法向曲率，并以此为阈值，获得小目标的候选对象。
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