Read Edit View history 迹线 jìxiàn trajectory Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 迹线/跡線 · jìxiàn · trajectory 2026/03/04 迹线 / 跡線 jìxiàn trajectory trajectory 工程师通过模拟软件计算出了物体的运动迹线。 created sense Mar 4, 2026, 02:25 AM