资料封装，或者说从实作分开型别的公用介面。
Data encapsulation, or separating the public interface of a type from the implementation.
数位人格软体使用各种复杂的演算法来测定多达70个特征点的座标，将资料封装成一个300位元组的模板。
Using a variety of complex algorithms, the DigitalPersona software determines the coordinates of up to 70 minutiae points and packages the data in a 300-byte template.
Service Locator模式(参见参考资料)是J2EE应用程序中著名的设计模式，它封装了需要通过目录服务(如JNDI)查找资源的代码。
The service Locator pattern (see resources) is a well-known J2EE application design pattern that encapsulates the code needed to lookup resources through directory services such as JNDI.
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