该黑盒具有某些所公开的属性，其他软件组件可以使用这些属性来共同实现业务或IT目标。
The black box has certain properties it exhibits, which the rest of the software components can use to collectively realize the business or it goals.
组件是连接起来并形成应用程序的黑盒服务。
Components are black box services that you connect to form your application.
多数web层的测试框架遵循黑盒测试方式，开发者用web组件编写测试类来验证渲染的HTML输出是否符合预期。
Most of the web-tier testing frameworks follow black-box testing approach where developers write test classes using the web components to verify the rendered HTML output is what is expected.
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