求翻译：经过测试表明，该系统能够正常运行，界面友好，具有一定的应用价值。且整个开发过程是按照软件开发的生命周期进行的，遵循了面向对象设计方法和系统设计的原则。是什么意思？

The tests show that the system normal operation, friendly interface, has a certain value. And throughout the development process in accordance with the software development life cycle, and followed the principles of object-oriented design methods and system design.

After a test has shown that the system is able to run properly, with a friendly interface, the application value. And the entire development process is in accordance with the software development life cycle, followed by the object-oriented design methodology and principles of design.

Indicated after the test that, this system can the normal operation, the contact surface be friendly, has certain application value.Also the entire performance history is defers to the life cycle which the software develops to carry on, has followed the object-oriented design method and the system d

After tests showed that the system is running properly, friendly interface, with a certain value. And the entire development process is carried out in accordance with the software development life cycle, follows the principles of object-oriented design method and system design.

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