Unit 1 Railway Rolling Stock Planning Part 1 Text Part 2 New Words and Expressions Part 3 Notes to the Text Part 4 Supplementary Reading Text Unit 2 Signalling and Train Control on High Speed Railways Part 1 Text Part 2 New Words and Expres sions Part 3 Notes to the Text Part 4 Supplementary Reading Text Unit 3 The Throat Capacity of Railway Stations in China Part 1 Text Part 2 New Words and Expressions Part 3 Notes to the Text Part 4 Supplementary Reading Text Unit 4 Intermodal Transportation Part 1 Text Part 2 New Words and Expressions Part 3 Notes to the Text Part 4 Supplementary Reading Text Unit 5 Moving—block Signalling Part 1 Text Part 2 New Words and Expressions Part 3 Notes to the Text Part 4 Supplementary Reading Text Unit 6 High Speed Railway Part 1 Text Part 2 New Words and Expressions Part 3 Notes to the Text Part 4 Supplementary Reading Text Unit 7 Containerization Part 1 Text Part 2 New Words and Expressions Part 3 Notes to the Text Part 4 Supplementary Reading Text Unit 8 Train Scheduling Part 1 Text Part 2 New Words and Expressions Part 3 Notes to the Text Part 4 Supplementary Reading Text Unit 9 Increasing The Weights and Speeds of Trains Part 1 Text Part 2 New Words and Expressions Part 3 Notes to the Text Part 4 Supplementary Reading Text Unit 10 Managing The Wagon Flows Part 1 Text Part 2 New Words and Expressions Part 3 Notes to the Text Part 4 Supplementary Reading Text Unit 11 Main Directions in Intensifying Classification Operations Part 1 Text Part 2 New Words and Expressions Part 3 Notes to the Text Part 4 Supplementary Reading Text Unit 12 Main Factors Affecting The Operation of Lines With Heavy Traffic Part 1 Text Part 2 New Words and Expressions Part 3 Notes to the Text Part 4 Supplementary Reading Text 参考文献