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投rrrrrrrrrn掷层干rrrrrrrrrn斜抛运动，rrrrrrrrrn根据力学原理，rrrrrrrrrn斜抛物体仰角45°rrrrrrrrrn时，射程最远，即抛出rrrrrrrrrn点和落地点必须是在同一rrrrrrrrrn水平面上，而投rrrrrrrrrn掷项目的器械出手rrrrrrrrrn点和落点，并非在同一rrrrrrrrrn水平面上，因此要想获得最rrrrrrrrrn远的距离，出手角度就不能是rrrrrrrrrn45°。rrrrrrrrrn投掷的出手点高，言地点《氏，...
Throw r r r r r r r r r n throwing layer r r r r r r r r r r r r r r r r r r n According to the principle of mechanics, the tilt angle of paraboloid 45 ° r r r r r r r r r n When the range is the farthest, Points must be on the same level as r r r r r r r r r n, and cast r r r r r r r r n Throwing items of equipment shot r r r r r r r r n point and landing point, not in the same r r r r r r r r r r n level, so in order to get the most distance, the shot angle can not be r r r r r r r r r n45 °. r r r r r r r r n Throwing shot high, saying place "s, ...