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【单选题】
在组合体尺寸分类中,把确定形体之间相对位置的尺寸称为( )。A.
）定形尺寸
B.
）总体尺寸
C.
）定位尺寸
D.
）基准尺寸
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Analog signal is a continuous values.
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Analog signal is a discrete values.
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Analog signal is sometimes continuous, sometimes discrete.
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