线速度; 线速，电子射线沿行移动速度，流程速度
1. Puma and both Ericsson boats were unable to scrub off enough speed and were called out for being over the line early.
2. The 115 km express rail line connecting Beijing and Tianjin will become the country's first to allow a maximum speed of 300 kilometers per hour.
3. South Korea tried to broke Saudi Arabian defense line with speed while the latter worked hard to control the rhythm.
4. With a designed speed of 350 km per hour, the line will cut the journey time by half to five hours.
5. It is believed that the newly installed line will run at the highest speed of all global lithographic lines currently in operation.
6. Weber reckoned that key words could be useful in a normalisation phase, raising interest rates to a level in line with the speed of economic growth.
7. The track will be designed for trains to travel at least 200 kilometres per hour, doubling the speed for the current line.
8. The latest model of CRH series with a speed of 300 kilometers per hour, rolled off the production line only last month.
9. line speed
9. The latest model of CRH series with a speed of 300 kilometers per hour, rolled off the production line only last December.
10. The extended rail line will be a single line with a speed of 120 km per hour.