1·This problem was capsulized in his letter.
在他的信中简明扼要地提到这个问题。
2·With the object-oriented technology, an object is a single entity in which data and methods are capsulized. It can be used to represent knowledge or entities in simulated domain.
在面向对象技术中，对象能在单个实体中封装数据和操作(方法)，并为知识和被模拟领域中的实体的表示提供条件。