同根派生 push-down stack相关词英汉例句用作名词 (n.)This algorithm avoids the numerous repeated operations for getting many pixel color values without increasing the number of push and pop operations.改进后的算法不增加入栈出栈操作的次数,却免除了原算法中为获取众多象素颜色值所需要的大量重复操作。push-down stack更多例句