求翻译：The output subassembly, which includes the worm gear and bearing cups and cones, loads onto a separate station for two simultaneous measure -ments. The machine applies a predetermined load to opposing bearing cups and measures the total stack height. At the same time, a master worm engages and oscillates the output worm gear to find the exact center of curvature for the gear teeth. The machine then measures the distance between this centerline and the rear-bearing cup.是什么意思？

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