For example, if you have two ways of rolling up products, then you need to support both hierarchies in the dimension tables (see Table 1).

例如，如果有两种方式实现产品回滚，那么需要在维度表（见表 1 ）中支持两种层次结构。

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According to the compose movement of position axis and direction axis, the turn table can achieve the two-dimension movement control.

双轴速率转台通过方位轴和俯仰轴的合成运动，实现二维控制。

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