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在 ML 中, R^4 中两点 x = (1, 2, 3, 4) 与 y = (5, 6, 7, 8) 。欧几里得距离?(答:8。)
在 ML 中, R^4 中两点 x = (1, 2, 3, 4) 与 y = (5, 6, 7, 8) 。欧几里得距离?(答:8。)
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