For segmenting the slice images of the virtual human dataset automatically,an auto-segmentation method based on support vector machines(SVM) was proposed.

Virtual digital machine is system software of simulation real computer function.

This paper analyzes on the changes of the information service of the library in digital times, points out that the librarians should have good professional ethics, broad knowledge fields, skillful professional ability and healthy psychological quality, and advances some concrete measures for improving the quality of the librarians.

This paper puts forward several countermeasures for improving the quality of the records-managing personnel according to the requirements of the digital times for the quality of university library s records-managing personnel.

On the basis of analyzing the new challenge in the digital times and making macro and micro analysis, the essay draws a conclusion for the copyright problem.