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Term 1: Term 2:

(subclass AngleMeasure ConstantQuantity) Merge.kif 6313-6313 角度测量恒量subclass
(subclass PlaneAngleMeasure AngleMeasure) Merge.kif 6324-6324 平面角度测量角度测量subclass
(subclass SolidAngleMeasure AngleMeasure) Merge.kif 6328-6328 立体角度测量角度测量subclass


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