[問題] 田徑怎麼抓偷跑
請問一下
田徑短跑要怎麼抓有人在鳴槍前偷跑 ?
是在起跑架上裝感應器嗎 ?
還是用攝影機對著每個跑道的選手 ?
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 114.47.54.30
推
08/21 20:58, , 1F
08/21 20:58, 1F
推
08/21 20:58, , 2F
08/21 20:58, 2F
→
08/21 20:58, , 3F
08/21 20:58, 3F
推
08/21 20:59, , 4F
08/21 20:59, 4F
→
08/21 20:59, , 5F
08/21 20:59, 5F
推
08/21 21:00, , 6F
08/21 21:00, 6F
→
08/21 21:06, , 7F
08/21 21:06, 7F
推
08/21 21:11, , 8F
08/21 21:11, 8F
推
08/21 21:13, , 9F
08/21 21:13, 9F
→
08/21 21:29, , 10F
08/21 21:29, 10F