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【多选题】
偏差是指( )。A.
实际值与标称值之差
B.
标称值与实际值之差
C.
描述标称值偏离真值的程度
D.
与绝对误差相等
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举一反三
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【单选题】She showed the visitors around the museum, the construction had taken more than three years.
A.
for which
B.
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C.
of which
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to which
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