目录

# 三维对象

Opens the 3D Objects toolbar. The objects are three dimensional, with depth, illumination, and reflection. Each inserted object initially forms a 3D scene. You can press F3 to enter the scene. For these 3D objects, you can open the 3D Effects dialog to edit the properties.

三维对象

要围绕其自身的三个坐标轴之一旋转 三维对象，请先点击选择对象，然后再次点击，显示对象的旋转控点。沿着要旋转体的方向拖动控点。

## 立方体

Draws a filled cube where you drag in the slide. To draw a 3D rectangle, hold down Shift while you drag.

立方体

## 球体

Draws a filled sphere where you drag in the slide. To draw a spheroid, hold down Shift while you drag.

球体

## 圆柱体

Draws a cylinder that is based on a circle where you drag in the slide. To draw a cylinder that is based on an oval, hold down Shift while you drag.

圆柱体

## 圆锥体

Draws a cone that is based on a circle where you drag in the slide. To draw a cone that is based on an oval, hold down Shift while you drag.

圆锥体

## 棱锥体

Draws a pyramid with a square base where you drag in the slide. To draw a pyramid with a rectangular base, hold down Shift while you drag. To define a different polygon for the base of the pyramid, open the 3D Effects dialog and click the Geometry tab. In the Segments area, enter the number of sides for the polygon in the box labeled Horizontal, and then click the green checkmark.

棱锥体

## 圆环面

Draws a ring-shaped object that is based on a circle where you drag in the slide. To draw a torus that is based on an oval, hold down Shift while you drag.

圆环面

## 球壳

Draws a bowl-shaped object that is based on a circle where you drag in the slide. To draw a shell that is based on an oval, hold down Shift while you drag.

球壳

## 半球

Draws one half of a sphere where you drag in the slide. To draw a one half of a spheroid, hold down Shift while you drag.

半球

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合并3维对象

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