a plane figure的意思|示意

That's actually pretty neat because there is a nice application of this which is to try to figure out, now we know, actually how to find the tangent plane to anything, pretty much.

这个性质很漂亮，因为它有一个很好的应用，可以用来，求算很多东西的切面。

Figure 6 shows that the Flight is associated with a specific Plane, and the Flight class knows about this association.

图6显示Flight与一个特定的Plane相关联，而且Flight类知道这个关联。

A septilateral shape is a plane figure with seven sides.

七边形是在一个平面上有七个边。

Map projection in cartography is a way to present a two-dimensional curved surface on a plane, such as a normal map. Figure 2 shows a Traverse Mercator projection.

绘图法中的地图投影方法可以在平面中表示一个两维的曲面，例如一个标准地图。

This gives a three dimensional model which is then projected onto one plane to give a 2 dimensional graphic (See figure 3a).

这给出了一个三维模型，然后到一个飞机预计将提供一个二维图形（参见图3a）。

Generally, base point method is used when we analyze the acceleration of a paint in the plane figure, we seldom use the instantaneous center method.

分析平面图形上点的加速度问题一般采用基点法，很少采用瞬心法。