Like a magician using a complex set of mirrors to hide his tricks, a invisibility cloak USES materials that change the shape of light so that it moves around an object, hiding it from view.
就像魔术师通过一组复杂的镜子来隐藏他的戏法，隐身斗篷利用特殊材料改变光的形态，使光线绕过物体，从而使物体在人们的视线中消失。
The technology and method to customize complex linetypes including shape object are given. The frequently used special linetypes in city planning are formed.
包含形对象的复杂线型的定制技术和方法，用其构筑了城市规划设计中需要经常使用的特殊线型；
This method can be used for arbitrary shaped object, because complex ray analysis is not limited by the shape of object.
由于复射线法不受目标形状的限制，因此该方法可用于任意形状的目标。
In pressure vessels, C and D seam which are located at the joint of flange, tube-shape object, jointed tube, and head of pressure vessels separately are the most complex seams.
压力容器设备中法兰与筒体、法兰与接管连接处的C类焊缝和封头端部、筒体上马鞍形的D类焊缝是最为不规则的且施焊工艺最为复杂的焊缝。
In pressure vessels, C and D seam which are located at the joint of flange, tube-shape object, jointed tube, and head of pressure vessels separately are the most complex seams.
压力容器设备中法兰与筒体、法兰与接管连接处的C类焊缝和封头端部、筒体上马鞍形的D类焊缝是最为不规则的且施焊工艺最为复杂的焊缝。
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