能够完成正规式到NFA的转换，NFA到DFA的转换（子集法）,DFA的最小化，测试一个生成串是否能为生成的DFA所识别-to complete the formal ceremony to change the NFA, NFA conversion to DFA (subset), the smallest of DFA, testing whether a string of generation to generation by the DFA Recognition

实现DFA的确定化中状态转换的过程，包括最终的最小化-Determined to achieve the DFA state transition process, including the final minimized