“railway transportation revenue”的概念、定义、翻译、参考文献-科学参考

单词	railway transportation revenue
释义	railway transportation revenue Encyclopedia 工学〔铁路财务会计〕释 railway transportation revenue铁路运输收入铁路运输企业在办理客货运输业务和辅助作业中，向旅客、托运人或收货人核收的票款、运费、杂费等。主要有客运收入、货运收入、行包收入等。
随便看	principal component regression principal component regression method principal component regression method (PCR) principal component regression spectrophotometry principal components principal components analysis principal component transformation principal computable enumeration principal congruence principal congruence relation principal congruence subgroup principal conjecture principal conjunctive normal form principal connex principal convergent principal coordinates of neighbour matrics principal crossed homomorphism principal curvature principal curve principal curves principal deformation principal determinant principal diagonal principal diameter principal dielectric axes

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。