unit of speed (one nautical mile per hour) used by ships and aircraft 节（速度单位, 为每小时一海里, 用以测船和飞行器的航速）. =>App 5 见附录5. 
(idm 习语) at a rate of knots => rate.
2 / nCt; nBt/ n (usu pl 通常作复数) (nautical 海) unit of speed (one nautical mile per hour) used by ships and aircraft 节（速度单位, 为每小时一海里, 用以测船和飞行器的航速）. =>App 5 见附录5. (idm 习语) at a rate of knots => rate.