编制时间序列的应遵循的基本原则是( )。 A. 随机性原则 B.最低误差原则 C. 无偏性原则 D.可比性原则
A.
B.
C.
D.
D
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举一反三
【简答题】We are writing to the manager ________ the repairs recently carried out at the above address. A) with the exception of B) with the purpose of C) with reference to D) with a view to