With the explosion of 3D printing, designing 3D objects has become an even more important problem. And it's a complicated one. We need to design complicated objects that precisely interface with each other. And often we don't want to just design a single object, but classes of objects, parameterized by variables. And we need to do this in collaboration.
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第二百四十三条 保险标的的保险价值由保险人与被保险人书面约定；保险标的发生损失时，以约定的保险价值为赔偿计算标准。
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