Components - based software development is founded up the object orient . the encapsulation for the question and solution with components technology is completed on the higher abstraction level than that of object - oriented technology 基于组件的开发是建立在面向对象开发之上,但是组件对问题和解决方案域的封装是在比严格的面向对象方法更高的抽象级上完成。