20060816

代码说明：

  以网格作为逻辑结构，具有高联通，低负载，扩展性强的特点。经分析表明，该方案更高效、安全、抗攻击能力更强。(To the grid as a logical structure, with high Unicom, low load, expansion and strong features. The analysis shows that the program more efficient, safe, stronger anti-attack capability.)