也有可能是循环。如果考虑到无限旋转，则必定是循环。

来源: 郭大平于 2024-11-04 11:51:13 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.