Component technology is the further development of objected - oriented technology . it makes program components to be modified and replaced under binary condition . incorporated with component technology , three - tire structure has stronger maintainability and extensibility 組件技術(shù)是面向?qū)ο蠹夹g(shù)的進(jìn)一步發(fā)展,它使得程序部件可以在二進(jìn)制情況下修改和替換,結(jié)合了組件技術(shù)的三層架構(gòu)具有更強(qiáng)的可擴(kuò)展性和可維護(hù)性。