苏联运输经济学界对经济效果的研究,一向相当重视。从三十年代,就开始在选线设计中进行了较广泛的讨论。目前,已在铁路上形成比较系统的见解,在具体问题的处理方法上也大体统一。下面介绍的是他们近来在一些基本问题上的简要情况。 The study of the economic effects of Soviet transport economics has always attached great importance. From the thirties, a broader discussion of route selection began. At present, more systematic opinions have been formed on the railway, and the treatment of specific problems has also been generally unified. What follows is a brief summary of some of their recent basic questions.