LZ系列算法用一种巧妙的方式将字典技术应用于通用数据压缩领域，而且，可以从理论上证明LZ系列算法同样可以逼近信息熵的极限。-LZ Series algorithm uses an ingenious way dictionary data compression technology in the field of general and can be theoretically proved LZ series approximation algorithms can also limit the information entropy.