The function of derivative structure of organism is mainly represented in two aspects: one is to convert internal and external stimulus signals got by receptors of five sense organs to ordered or disordered biological information and act on organism; another aspect is sense the changes of external things through interaction between biological field and environmental field。回程服务将于14：15离开奔巴，于17：40抵达约翰内斯堡。只需R999，您就可以改变您的生活和知识，“她说。　　我是七八点去的。婚姻是个神圣的事情，不能被我这么瞎糟蹋。不管对方有多差，就算是穷矮挫，这样做真心伤人，这未免也太过自我了吧。低成本航空公司IndiGo占主导地位，占每天运营的近2，000个国内服务的一半以上，按七天滚动平均值计算。