利用加权平均法进行预测,其特点是,所求得的平均数,已包含了()。
A.长期趋势变动
B.季节性变动
C.循环变动
D.不规则变动
正确答案是A
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Complete each of the following sentences with a (compound) word derived from the one(s) given in brackets.
“Snow White and the Seven Dwarfs”, the 1937 Disney classic, has lost none of its ( )charm. (origin)
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