usage period
4.The basic feature of aerobic metabolism and anaerobic metabolism is detailed introduced in the essay, it also distinguish the mistaken usage from a training period further more analyse the one-sided view on aerobic metabolism is the foundation of anaerobic metabolism and clearly give us such a standingpoint that the basic relation of aerobic metabolism and anaerobic metabolism is in oneside they continuous energy and promote unifield form, in anotherside they separate from each other for making further advances on different shape.
6.In order to integrate application system developed in different period,different platform,different technique,and make these system exchanging and sharing data and information easily. This text discussed the usage of the technique of Enterprise Application Integration(EAI) and Enterprise Service Bus(ESB) used in application system integration.

