皮皮学,免费搜题
登录
搜题
【单选题】
已知信号x(t)的叶变换为 ,则信号y(t)的频谱为()
A.
R(ω/2)cos(ω/2)
B.
R(ω)
C.
2R(ω)
D.
R(2ω)
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】制定采购与供应战略时,运用“ABC”分析方法存在哪些局限性?
【单选题】按照中国《票据法》的规定,票据丧失后失票人可以:
A.
向背书人申请挂失止付
B.
向付款人申请冻结票据
C.
向出票人申请签发同样内容的票据
D.
向人民法院申请公示催告
【单选题】Daniel Defoe is an early proponent of the ( ) novel whose masterpiece Robinson Crusoe tells about the adventures of a sailor on the sea and on an island.
A.
s entimentalist
B.
e pistolary
C.
r ealist
D.
Gothic
【单选题】Are the engineers at Beepcard satisfied with the model they have built? Why or why not?
A.
Yes, because the model they have built is a standardized credit card.
B.
No, because the model they have built is too heavy.
C.
No, because the model they have built is too thick.
D.
Yes, because the model they have built is used worldwide.
【多选题】TD-LTE系统中,MME的功能包括()。
A.
移动锚点
B.
NAS层信令安全
C.
EPS承载控制
D.
无线承载控制
【简答题】在制定采购与供应战略时,运用ABC分析方法有哪些缺陷。
【判断题】相对坐标输入时,没有正负。
A.
正确
B.
错误
【简答题】You didn't call or send an _____, why?
【简答题】在制定采购与供应战略时,运用 ABC 分析方法有哪些主要缺陷
【单选题】E pistolary novel is one that takes the form of _______.
A.
d iary
B.
biography
C.
l etter-writing
D.
t ravel notes
相关题目: