以下有关甚高频设备收信机自动增益控制指标测量描述正确的是()
A. 自动增益控制是指射频电平在一定范围内变化时音频输出电平变化应在一定范围内
B. 自动增益控制是指调制度在一定范围内变化时音频输出电平变化应在一定范围内
C. 测试条件推荐为:调制信号1KHz,调制度50%
D. 只要改变调制度就可以测得相应音频电平的变化
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气流输送具有()、占地较少、适应性强、维护方便等特点。
对于寻求知识的宾客,餐厅服务员在服务时应突出()二字的服务。
A. 艺术
B. 烹饪
C. 文化
D. 享受
PassGuide has a BGP network and a BGP route of 197.22.129.0/24 that should be propagated to all of the devices. The route is currently not in any of the routing tables. The PassGuide administrator determines that an access list is the cause of the problem. The administrator changes the access list to allow this route, but the route still doesnot appear in any of the routing tables. What should be done to propagate this route()
A. Use the service-policy command to adjust the QOS policy to allow the route to propagate.
B. Clear the BGP session.
C. Use the release BGP routing command.
D. Change both the inbound and outbound policy related to this route.
E. None of the other alternatives apply
本科毕业生授予学士学位要满足的英语成绩条件以下正确的是()。
A. 大学英语课程结束时的课程考试成绩达到90分及以上
B. 国家英语六级考试成绩达到学校规定的分数(艺术类、体育类学生可参加英语应用能力考试,成绩合格)
C. 网考托福(TOEFLIBT)笔试成绩60分(总分120)及以上
D. 学校组织的学士学位英语考试成绩合格