实际定线 meaning in English
physical alignment
Examples
- ( 3 ) through theoretic analyzing and with aid of practical design results , the author have researched for the first time inland the relationship between design speed of hspgs line and its economical indexes such as the traffic demand , engineering cost , operating expense , the cost for train - set purchasing and operating revenue
( 3 )在国内首次系统地通过理论研究和总结实际定线资料，研究了高速铁路速度目标值与其客运需求、工程投资、机车车辆购置费、运营支出等技术经济指标的量化关系。