三、人的任何自然运动规律都是垂直与弧形大提琴弓难于控制的原因之一是弓毛与弦的角度是倾斜的。一般采用的全部里侧斜弓毛的运弓,不仅因弓接触弦的面太窄、压力不均而影响发音,而且运弓的稳定性很差。好象一个人走在斜坡上,还不是用全脚掌落地,仅用一侧脚边在那里走路,随时有可能掉下去,这实在是一种人为的困难。同时由于 Third, any one of the laws of human nature are vertical and arc cello bow difficult to control one of the reasons is that bow and chord angle is inclined. The general use of all the side of the oblique bow arch bow, not only because of bow contact string surface is too narrow, uneven pressure and affect the pronunciation, and the bow stability is poor. As if walking alone on a slope, it is not man-made to fall to the ground full of feet, and to walk there with only one side of the foot and may fall off at any time. This is really a man-made difficulty. At the same time due