信念（beliefs）的运作方式是另一个有关虚拟维度（virtual dimension）如何在符号层面实现自身的例子。我们是否知道我们今天的信念（belief）在多广的范围内是虚拟的？
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virtual dimension measuring instrument 虚拟量仪
Dimension to Virtual Edges 标注尺寸到虚拟边缘
In the context of a virtual dimension, you can also create virtual calculated members.
在虚拟维度上下文中，您还可以创建虚拟计算成员。
If the default member is not explicitly set on the virtual dimension, the default is the dimension from the first cube selected to compose the virtual cube.
如果没有在虚拟维度上显式地设置默认成员，那么默认值就是选择用于构成虚拟数据集的第一个数据集的维度。
If some members were renamed for a virtual dimension, the new member names can be used in the calculation. Following are some additional points about virtual calculated members.
如果某个虚拟维度的一些成员被重命名，那么将在计算中使用新的成员名。
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