Role-based access control hierarchy model in distributed system;

Evaluating bid and determining bid by applying the hierarchy process;

Hierarchy Virtual Ring-based Application-layer Multicast Model;

Conclusive Problems of Gradation In JIA Bao-yu s Sexual System;

The primary factors influence the tone of printing work and performance of gradation reappearance in flexography printing was analyzed.

Designing new stitch structure by the technology of computerized color separation,We can get avivid woven photograph whose color gradation is rich and pattern is clear.

Correlation of Layer Diversity of Natural Secondary Forest;

Developing platform of network courseware based on object-oriented layered model;

On the Overlook About the Levels of "the Intimate Friend" by Liu Xie——One of the Reading Notes of the Book Wen Xin Diao Long;

for the TCM college students at different levels, it is believed that for the beginners the teaching of TCM English should follow the principle of diversity in the future.

This article studies such five gate-keeping levels of Bulletin Board System in colleges and universities as individual level, BBS routine operating level, college organizational level, social institutional level, and social system level.

Characteristic,level and main knowledge objectives of computer education of electronic information class;