... 寒武纪生命大爆发 the Cambrian explosion 绘图物件 drawing object 结合物件框 bound object frame ...
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drawing cell object 图元对象
To select drawing objects, click the Select Drawing Objects button on the Drawing toolbar, and then click the drawing object.
打开另一窗口用于创建图片对象,或将选定的图形对象转化成图片。
To select drawing objects, click the select drawing objects button on the drawing toolbar, and then click the drawing object.
选定的图形对象尚未放入剪贴板。双击图形即可打开图形对象。
You also create the canvas context object, as this is the object you use to do all of the actual drawing.
您还创建了画布上下文对象,因为这是用于进行所有实际画图的对象。
So what we would like to do is to describe what the object does by drawing a graph of time versus space and the graph would be something like this.
然后我们要做的就是描述这个物体的运动,通过画一个"x-t"图,画出来的图就像这样
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