皮皮学，免费搜题
登录
搜题
【单选题】
利用时序图对时间序列的平稳性进行检验,下列说法正确的是A.
如果时序图呈现明显的递增态势,那么这个时间序列就是平稳序列。
B.
如果时序图呈现明显的周期态势,那么这个时间序列就是平稳序列。
C.
如果时序图总是围绕一个常数波动,而且其波动范围有限,那么这个时间序列是平稳序列。
D.
通过时序图不能够精确判断一个序列的平稳与否。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】It is our foreign policy to trade with foreign countries on the basis of equality and mutual benefit.
A.
business
B.
market
C.
trade
D.
deal
【单选题】—How do you study English? —I study English ______ talking with foreign students. [ ]
A.
by
B.
in
C.
at
D.
on
【单选题】Some European countries require affiliated companies (including companies with foreign parents or foreign subsidiaries) to:
A.
file consolidated financial statements.
B.
incorporate locally.
C.
submit information on the financial status of the entire group.
D.
Either a. or b.
E.
Either a. or c.
【简答题】A．To do business with people speaking that language. B．To better understand a foreign country. C．To read books in that language. D．To compare it with their mother tongues.
【单选题】Foreign Ministry is a department dealing with foreign ______.
A.
affairs
B.
matters
C.
things
D.
deeds
相关题目：
参考解析：
知识点：
题目纠错 0
发布
