微波通信系统工作频率的稳定度取决于所用的调制方式。
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按照传播手段的不同,广告媒体划分为()和其他媒体。
A. 视觉媒体
B. 听觉媒体
C. 印刷媒体
D. 电子媒体
E. 户外媒体
A customer has 15 IBM x365 servers in a rack environment and is using IBM Director for systems management. They require the ability to restart any server independent of the operating system. Which of the following is the most cost-effective solution?()
A. Interconnect the service processors and use the IBM Director Agent
B. Install RSA II in each server and chain together the systems management processors
C. Install the RSA II in the top server and chain together the service processor interconnect
D. Install the IBM Director Agent on each server and use the remote control function to restart the server
中国民族识别的依据主要是民族意愿。
A. 正确
B. 错误
半自动闭塞车站,发出须由区间返回的列车时,仍可使用半自动闭塞。
A. 正确
B. 错误