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【单选题】
用某电子秤称得的重量总是比实际重量低1kg,该误差属于( )。A.
系统误差
B.
疏忽误差
C.
随机误差
D.
缓变误差
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反馈参考答案：
举一反三
【简答题】常量通过 关键字( )进行声明。
【简答题】It was terribly cold and nearly dark on the last evening of the old year, and the snow was falling fast. In the cold and the darkness, a poor little girl, with bare head and naked feet, wandered throu...
【简答题】足球的起源于哪里?
【简答题】常量通过关键字___声明。
【单选题】Real Policemen hardly recognize any resemblance between their lives and what they see on TV. The first difference is that a policeman's real life revolves around criminal law. He has to know exactly w...
A.
lie must be able to tell when and where a crime is committed
B.
he must justify the arrests he makes of criminals
C.
he must behave as professional lawyers do
D.
he must work hard to help reform. criminals
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