皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
线性调制主要有____调制、正交移相键控(QPSK)调制、交错正交移相键控OQPSK调制、π/4-DQPSK等。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】Under such a situation, it was the assistant' s duty either to do what she was requested to or to explain why she was unable to comply. Instead, she rudely turned a deaf ear to the request and walked ...
A.
complaint
B.
apology
C.
invitation
D.
business
【判断题】禁带的宽度实际上反映了被束缚的价电子要成为自由电子所必须额外获得的能量。
A.
正确
B.
错误
【单选题】It’s necessary to be prepared for a job interview. the answer ready will be of great help.
A.
To have had
B.
Having had
C.
Have
D.
Having
【单选题】哪些是会话层的功能()
A.
提供加密/解密
B.
提供数据转换及格式
C.
在不同主机间建立连接
D.
在网络两个端系统间建立连接
【单选题】43-4. 下列商品按照价格敏感性从强到弱排序 ( )
A.
牙膏- 牙刷 - 刷牙杯-漱口水
B.
漱口水- 牙膏- 牙刷 - 刷牙杯
C.
刷牙杯- 漱口水- 牙膏- 牙刷
D.
牙刷- 刷牙杯-漱口水- 牙膏
【单选题】后肢关节中具有关节唇的关节是( )
A.
髋关节
B.
膝关节
C.
跗关节
D.
趾关节
【单选题】It’s necessary to be prepared for a job interview. the answers ready will be of great help.
A.
To have had
B.
Having had
C.
Have
D.
Having
【多选题】下列商品按照价格敏感性从强到弱排序( )
A.
漱口水
B.
牙刷
C.
刷牙杯
D.
牙膏
【简答题】Of course it took a while for such a big project to get started, but it was planned in the 60s, built in hte 70s and ually opened to the public in 1930. Ever since then it has proved to be a grea...
【多选题】在利率一定的条件下,随着计息期的增加,下列表述不正确的是( )。
A.
复利现值系数变大
B.
复利终值系数变小
C.
普通年金现值系数变小
D.
普通年金终值系数变大
E.
复利现值系数变小
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题