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多选题 What are the services of GSM-R classified into? ( )
![[共享课]Introduction to Railway课程封面](https://tihai-oss-cloud.itihey.com/img/b08a353b0dfc60dc6f890a2e9b036890.jpg)
学科：[共享课]Introduction to Railway
时间：2025-01-11 00:18:05
相关题目
题目1判断题
The quasi-movable block adopts hierarchical speed control mode. ( )A. 对B. 错
题目2多选题
What are the services of GSM-R classified into? ( )A. GMS servicesB. Special railway servicesC. Voice servicesD. Data services
题目3判断题
The semi-automatic block has high train operation safety level. ( )A. 对B. 错
题目4单选题
Which technology is NOT mentioned as part of the safety monitoring system for MU operations? ( )A. Infrared temperature measurementB. Acoustic diagnosisC. Hydraulic detectionD. High-speed camera
题目5判断题
The obstruction signal annunciator has only one red light. ( )A. 对B. 错
题目6多选题
What technologies are used in movable block? ( )A. Advanced communication technologyB. Automatic control technologyC. Wireless communicationD. Wireless positioning technology
题目7多选题
What are the characteristics of the transportation industry? ( )A. It is an important part of the national economyB. It creates value and increases social wealthC. The products cannot be stored or accumulatedD. It has high initial investment
题目8判断题
Medium maintenance only focuses on minor repairs. ( )A. 对B. 错
题目9判断题
Overhaul is conducted more frequently than medium maintenance. ( )A. 对B. 错
题目10多选题
What are the characteristics of railway communication? ( )A. Many nodesB. Long linesC. Networked layoutD. Multiple levels and categories
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