China has established a complete technological system for high speed railway. The survey and design, equipment development, construction, traffic control, and operation management have reached a leading level in the world.的翻译为： 中国建立了完备的高速铁路技术体系。勘察设计、装备研制、
China has established a complete technological system for high speed railway. The survey and design, equipment development, construction, traffic control, and operation management have reached a leading level in the world.的翻译为： 中国建立了完备的高速铁路技术体系。勘察设计、装备研制、施工建设、调度指挥和运营管理均处于国际先进水平。
A.正确
B.错误
正确答案：A