通过面向对象的编程和接口设计原则，您只需使用新的ContactJdoDAO替代原始的ContactDAOMock。
Due to the wonders of object-oriented programming and the principles of design by interface, you can simply replace your original ContactDAOMock with the new ContactJdoDAO.
另一个对象设计原则(封装)也适用于设计服务接口。
Another object design principle, that of encapsulation, also applies to designing service interfaces.
最值得注意的结果是服务接口之外非常不灵活，因为模块设计、信息隐藏和逻辑结构原则均未得到遵循。
The most notable consequence is the inflexibility beyond the service interface since modular design, information hiding and logical structuring principles are all violated.
作为接口设计研究的成果，Ben Shneiderman提出并收集了一些从经验中启发而来，适用于大多数交互系统的原则。
As a result of Interface Design Studies, Ben Shneiderman proposed a collection of principles that are derived heuristically from experience and applicable in most interactive systems.
在越来越多的案例中，现有遗留系统的接口实现为遵从面向服务架构(Services Oriented Architecture,SOA)设计原则的Web服务。
In a growing number of cases the interfaces to existing legacy systems are implemented as web services that conform to services Oriented Architecture (SOA) design principles.
我们鼓励将最初的重点放在服务接口设计上，以确保其支持可伸缩性；我们的设计原则可帮助做到这一点。
We would encourage an initial focus on the design of the service interface, ensuring that it enables scalability; our design principles should help with that.
设计接口是一个面向对象的极好实践，但是我们没办法总能得到遵循此种设计原则遗留代码。
Programming to interfaces is a good oo practice, but we are not always presented with legacy code that follows the practice.
实现这一目标的程序设计原则就是要让接口和实现分开。
A design principle that helps achieve that goal is to keep interfaces separate from implementations.
然后详细介绍了系统设计原则以及以太网接口模块的硬件实现方法。
Then introduces the system design principle and the Ethernet interface module's hardware realization method in details.
然后详细地剖析了输入法引擎标准，包括设计原则，体系结构，数据结构，模块接口和工作原理。
Then the IME Standard is illustrated in detail, including philosophy of design, architecture, data structure, module interface and rationale of mechanism.
也准备一份书面总结，说明如何您的接口实现的原则，良好的界面设计作为介绍了在教科书。
Also prepare a written summary that describes how your interface implements the principles of good interface design as presented in the textbook.
按照微型化、模块化的设计原则，适配器分为命令的传输解析模块、逻辑控制模块和存储模块；与上位机通信采用以太网接口。
According to the design principles of miniaturization and modularization, adaptor includes command transmission and analysis module, logical control module and memory module.
在四个引擎接口的实现方法上采用简单接口设计的原则。
Method of implementing four Workflow Engine interface is based on the rule of simple design.
在四个引擎接口的实现方法上采用简单接口设计的原则。
Method of implementing four Workflow Engine interface is based on the rule of simple design.
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