/**
  * @param path 词库路径
  * @see Dictionary#getInstance(String)
  */
 public MMSegAnalyzer(String path) {
   dic = Dictionary.getInstance(path);
 }
 /**
  * @param path 词库目录
  * @see Dictionary#getInstance(File)
  */
 public MMSegAnalyzer(File path) {
   dic = Dictionary.getInstance(path);
 }
 /** @see Dictionary#getInstance() */
 public MMSegAnalyzer() {
   dic = Dictionary.getInstance();
 }