To get the ball under the bar, they must learn to aim slightly lower than normal, reducing the ball's take-off Angle by around half a degree.
为了让球在门柱下，他们必须学着瞄准得比往常烧低一些，将球的起飞角度降低半度左右。
“Most aerodynamic things take off at very gradual angles, but this has a very striking, very powerful lift angle, ” Swartzlander says.
Swartzlander says：“大多数空气动力装置起飞的角度很平缓；而这样的装置起飞时角度变化非常剧烈，非常惊人。”
The take-off leg knee joint, hip joint Angle when they get to the board and the most keen Angle in the take-off process are all smaller than those of high level female long jumpers.
少年女子跳远运动员在着板瞬间的起跳腿膝角、起跳腿髋角、以及起跳过程中起跳腿的最大屈膝角都小于高水平女子跳远运动员。
Touchdown technique is formed of the take off distance, the placed Angle of jump foot and the jump foot type.
着地技术是由起跳点位置即起跳距离、起跳脚放置角度及起跳脚着地方式组成。
It concludes that lower absolute speed, smaller take-off Angle and poorer take-off ability are the main factors which lower the athletes 'performance.
分析认为绝对速度较慢、起跳角较小、起跳能力较差是制约我国运动员成绩提高的主要因素。
The objective of the research is achieving the stable vertical take-off and landing of the aircraft and flying attitude adjustment in a small angle range.
本文工作目标是实现飞行器的平稳垂直起降和小角度内姿态调整。
Therefore, if an airplane takes off on inclined plate and gets the best Take-off performance, the aerodynamic characteristic and up-warping Angle of inclined plate should be considered.
因此，实际情况中要使飞机在斜板上起飞时达到最好的起飞性能，需要综合考虑飞机的气动力性能和斜板上翘角度的影响。
Young female long jump two levels of athletes instantaneous and take off in the process in the board to swing the leg knee Angle oversized folds not tightly.
少年女子跳远二级运动员在着板瞬间和起跳过程中摆动腿膝角过大，折叠不紧。
Therefore, athletes should be a smooth run-up in the game, off to a strong and decisive, take-off angle should be appropriate and have a certain altitude;
因此，运动员在比赛时助跑应平稳，起跳要果断有力，起跳角度要恰当，并具有一定高度；
The result shows:approach and take-off in technology, our long jumpers flat run slow, irrational utilization rate, less able to take off, jump angle is relatively small.
研究结果显示：在助跑和起跳技术方面，我国优秀 男子跳远运动员的平跑速度慢，速度利用率不合理，起跳能力较差，腾起角相对较小。
The result shows:approach and take-off in technology, our long jumpers flat run slow, irrational utilization rate, less able to take off, jump angle is relatively small.
研究结果显示：在助跑和起跳技术方面，我国优秀 男子跳远运动员的平跑速度慢，速度利用率不合理，起跳能力较差，腾起角相对较小。
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