谢邀,原则上鸟和高铁地板成相对运动,速度和在地面相同。
如果运动同向,速度相加,相反相减。
例如,你在高铁上跳远,平常2米,那么在高铁上还是两米,并不因为是高铁而改变
谢邀 鸟儿飞行表演项目{!-- PGC_VIDEO:{"thumb_height": 360, "thumb_url": "dd50001227aa103541f "vname": " "vid": "8db795cae6ea4cad9931d0b516649f5f "thumb_width": 640, "src_thumb_uri": "3f71000714a413d5dc54 "sp": "toutiao "update_thumb_type": 1, "vposter": "http://p0.pstatp.com/origin/dd50001227aa103541f "video_size": {"high": {"h": 480, "subjective_score": 0, "w": 854, "file_size": 659995}, "ultra": {"h": 540, "subjective_score": 0, "w": 960, "file_size": 1000489}, "normal": {"h": 360, "subjective_score": 0, "w": 640, "file_size": 456868}}, "md5": "a10ea04dfbaaf809c9d55e6169e9ce3f "duration": 12.0, "file_sign": "a10ea04dfbaaf809c9d55e6169e9ce3f "thumb_uri": "dd50001227aa103541f "vu": "8db795cae6ea4cad9931d0b516649f5f"} --}
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