文档介绍：附 录
附录A 外文翻译
Railroad station interconnection
Using the machinery, the electrical automatic control and remote control's technology and the equipment, cause in the station scope on the semaphore, the admission passage and the admission passage rail switch have the restriction relations mutually, this kind of relations are called the railroad station interconnection.
The outline railroad station interconnection is the railway signal important 1843 Britain first used the mechanical interlocking interconnection; in 1887 Japan developed successfully the interconnection box equipment; in 1904 the US started to use all-electric interlocking interconnection; in 1929 the US started to use following the electricity centralized interconnection. Along with electronic accounting machine's development and the popularization, some countries started to use the computer interconnection at present.
The train enters the station the admission passage, or the outputting admission passage, is determined by rail switch's different clear position. Therefore, must have the semaphore in the admission passage entrance. Enters the station the admission passage scope which the semaphore protects is an entire station track, embarks the admission passage which the semaphore protects is should go to the sector, switches cars the semaphore is only the rail switch area. When on the admission