[問題] 拋物角度若"計"空氣阻力角度是小於45度 …
[問題] 拋物角度最遠距離?(已得到解答)
時間: Wed Oct 13 22:55:10 2010
如標題
如果拋物角度計空氣阻力
要得到最遠的距離
角度是大於或小於45度?
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