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多项选择题

某部件加工的时候,设计尺寸10mm(误差为+0.010,-0.005),通过随机检验,经过计算已经知道:样本平均值和公差中心重合,s=0.008,回答下列问题:
工序能力是指在一定的时间范围内,处于稳定状态下加工产品质量正常波动的幅度,以质量特性值分布的六倍标准差来表示,记为6σ,则()。

A.该值越小,工序能力就越强
B.该值越大,工序能力就越强
C.该值越小,工序能力就越弱
D.该值越大,工序能力就越弱

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