Based on the analysis of the allrelay semiautomatic block which are widely used, this paper discusses the feasibility of the semiautomatic block with microcomputer.
对当前大量使用的继电半自动闭塞设备进行了分析，并研究了实现微机半自动闭塞的可行性。
2
Chinese skaters in the women's 500 meters, 3000 meter relay and men's 1500 meters all failed to take home the gold.
中国滑冰选手在女子500米、3000米接力和男子1500米的比赛中均未能夺金。
3
All along the relay route people will be touched by the magic of the Olympic Games and what it represents.