All shields should be connected to an appropriate ground plane.

所有的屏蔽都应该连接到相应的接地层。

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In the image above, you can see the aerial map applied to the ground plane.

在上面的图片中，我们可以看到航拍地图应用到地面层的情况。

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Listing 1 illustrates the process of creating a simple world occupied by a box (in the with upward momentum) and a ground plane.

清单1展示了创建一个由立方体(具有向上动力)和地平面占据的简单世界的过程。

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The pilot gets on his radio and calls "mayday,mayday,mayday" to tell that his plane is in danger of crashing to the ground.

VOA: special.2010.04.18

That'll say the velocity of the object with respect to the ground, the velocity of the object with respect to the plane, the velocity of the plane with respect to the ground.

可以得到物体相对于地面的速度,物体相对于平面的速度,物体相对于地面的速度

耶鲁公开课 - 基础物理课程节选

When you have a velocity in the moving plane frame and you want to find the velocity on the ground, you should add to every object in the plane the velocity of the plane with respect to the ground.

当你在运动的飞机上运动,然后你想找到相对于地面的速度,你就应该给每个物体加上,飞机相对于地面的速度

耶鲁公开课 - 基础物理课程节选

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