Study on 2D Sketch Representation Method
二维手绘草图的非均匀α-B插值样条曲线表示的方法研究*

First, presents the advantage of the muhi-version DB server in mobile DBMS, which is followed by the analysis of bow multiersion DB server bring the new concurrency control problem and the what is the outcome of the problem, Then provides a concurrency scheme and give the explanation of how this scheme works. In the last part briefly illuminates the essential of the concurrency scheme.