2. The variations are usually random and chaotic, but there is occasionally order within the chaos. ��Щ�仯ͨ������������ҵģ���ż�����ڻ����з���һЩ����
3. Three, from consummates aspect and so on management system, perfect control system solves the management chaotic problem. ���Ǵ����ƹ������ơ���ȫ�����ƶȵȷ������������ҵ����⡣
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adj.
1. lacking a visible order or organization
2. completely unordered and unpredictable and confusing
3. of or relating to a sensitive dependence on initial conditions