A range search will look for a value in a specified field between an upper and lower boundary, and a fuzzy search will look for words similar to the term supplied by the user.
范围搜索在一个指定上下界的范围内查找指定字段的值，而模糊搜索查找与用户提供的术语相似的单词。
2
The parameter of the controller can be auto-adjusted by the error, error change and the integral value. It makes the fuzzy controller have the ability of self-adaptive.
Fuzzy mapping is the basis of image fuzzy processing. But it is now, primarily based on the pixel value, without the regard of neighboring information.