对于求解动圆滚动圈数的试题,不少同学感到难于把握,甚至束手无策.其实,只要我们了解了圆滚动的数量特征,也就抓住了解题的关键,再经过一定量的专题训练,就能较好地掌握这类题的解法,做到胸中有数,手中有法. Many students find it difficult to grasp or even do nothing to solve the questions about the number of dynamic circle rolling cycles. In fact, as long as we understand the quantity characteristics of circular scrolling, we also grasp the key to understanding the problem, and then after a certain amount of special training, You will be able to master the solution to this type of problem, so that you can count on it and have a hand in hand.