[填空题]
A particular guitar s l :sgn5o3qx*btring is supposed to vibrate at 200 Hz:*mv6.kv(piejxsqfi 5 o r36w, but it is measured to vibrate at 205 Hz. By what percent should 63f*ow:5.vkjiq eisxrpm(v 6 the tension in the string be changed to correct the frequency? decreased by %