gōng lì ㄍㄨㄙ ㄌㄧˋ 弓力
我们认为，拉动长弓上的弓弦大约需要100磅的力。
We believe that a force of about one hundred pounds was needed to pull the string all the way back on a long bow.
配合多种弓法的力度变化，流露出作者压抑悲怆的情调和在旧时代中饱尝辛酸的感受，具有强烈的感染力。
The result is a fiercely emotional coloring expressing of the composer's suppressed grief at having tasted to the full the bitterness of life in the old society.
结论：使用直丝弓矫治技术时，应重视托槽表面粗糙、磨损对摩擦力的影响，注意支抗控制。
Conclusion: the attention would be played to the influence of the roughness and abrasion of the bracket slot area on friction and anchorage control in using sliding mechanics.
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