1.  >>  高等继续教育 / 通信原理
 高等继续教育 / 通信原理
正确率:100%

题型描述: 多选题

信息

A.有不同的的形式种类
B.不需要携载在信号之上传输
C.是对消息的抽象
D.是消息的内容
  积分
 参考答案:
 佳题速递:
  • 评析“取消学校德育论”。德育教育
  • web服务器的功能是( )。 计算机网络
  • 2[翻译题] Nowadays, the phenomenon of drunken driving has arouse wide concern among the public. Especially the young generation living in metropolis, tend to drive after drinking, ignoring the fact that this behavior may pose underlying threat to their precious life and may even endanger others. Generally speaking, there are several reasons accounting for this phenomenon. Firstly,  people participate in more activities or banquets than ever before ,where they will drink strong wine.Then, they may get drunk but continue to drive.Secondly,  this behavior will directly threaten the safety of drivers, passengers and pedestrians, resulting in traffic accidents, injuries and even deaths. Besides, treating the injured and repairing broken cars means a grievous waste of money, time and resources. The legal aspects to strengthen management, strict, I believe that will reduce the phenomenon of drunk driving.英语(二)
  • 创业设计的内容包括( )。小企业管理
  • 标志着律师阶层形成的是律师法学
  • 5、利用物质温度升高时吸热,降低时放热的特性来实现的太阳能储热为()。 A. 显热储热 B. 潜热储热 C. 不可逆化学反应储热 D. 可逆化学反应储热太阳能热利用原理与技术