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【简答题】
设{X(t)，t∈(-∞，+∞)}是均值函数为0，自相关函数 R X (t 1 ,t 2 )=(|t 1 |+|t 2 |-|t 2 -t 1 |)/2的正态过程，证明Y 1 (t)=X(t)，t＞0，Y 2 (t)=X(-t)，t≥0是相互独立的正态过程。
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反馈参考答案：
举一反三
【单选题】飞行器的弹道倾角是指()。
A.
飞行器的速度矢量与水平面的夹角
B.
飞行器的纵轴与水平面的夹角
C.
飞行器的纵轴与铅垂面的夹角
D.
飞行器的速度矢量与铅垂面的夹角
【单选题】Jeff's father had never thought that his son would take a job at a ski resort and became extremely angry when the son told him of his decision.
A.
Implied
B.
Not implied
【简答题】英译汉 Covering epithelium
【判断题】The author thought of his father as his hero, he had all the qualities that those famous people had.
A.
正确
B.
错误
【简答题】词汇翻译(英译汉) In regard to ; as to; regarding; covering
【简答题】(英译汉)Please see to it that the covering L/C is opened without delay.
【简答题】词汇翻译(英译汉)covering
【简答题】Ade thought that the popularity of his works would help him in the long run in terms of his ______.
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