The provider class interfaces with the system of your choice for managing transaction authorization.

这个 provider 类与管理事务授权的系统进行交互。

youdao

In the same way that we discovered function interfaces by encapsulation and generalization, we can discover class interfaces by data encapsulation.

之前我们对函数接口进行过封装和泛化的处理，现在也可以通过数据封装来改进类的接口。

youdao

Object-oriented should find pertinent objects, factor them into classes at the right granularity, define class interfaces and inheritance hierarchies, and establish key relationships among them.

面向对象要求找到相关的对象，以适当的粒度将它们归类，再定义类的接口和继承层次，建立对象之间的基本关系。

youdao

The NSNetService class and CFNetService APIs do not include P2P interfaces by default.

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Intended to support both the enterprise and rugged markets, these products are expected to deliver more than 400, 000 random write transactions per second, scale up to more than 5TB of pure solid state storage capacity, ensure enterprise-class drive life endurance, and offered in SAS, SATA, Fibre Channel, and PCIe interfaces.

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