发布于:2025-07-06 06:21浏览量:116文/优校网
1.前进;进展
2.【矿】进展;【航】航行速度
3.【建】净空,净空高度;【交】(同一路线同一方向上两车之间的)时间间隔
1.progress towards achieving something
2.movement or rate of progress forwards
3.the interval or distance between two vehicles, trains, or ships travelling in the same direction along the same route