The class provides a series of static and abstract methods to work with one of the two sets of preferences: one for user preferences and one for system preferences.

这个类提供了一系列静态和抽象方法来操作两套首选项(其中一套是用户首选项，另一套是系统首选项)中的其中一套。

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The BufferStrategy class masks which of the two aforementioned double-buffering methodologies is used and lets you take advantage of any hardware-based buffering the system offers.

bufferstrategy类隐藏了使用的是上述两种双缓冲方法中的哪一种这一事实，并且它允许您利用系统所提供的任何基于硬件的缓冲。

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Back to the issue of opening up the connection to your blog, you'll produce a system by creating a new wrapper class around the XML-RPC connection that resolves the two necessary functions.

为了打开到blog的连接，我们围绕XML - RPC连接创建一个新的包装器类，它实现两个必需的功能。

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The FDP plan would mark a decided shift toward a "two-class health-care system, " warns Gerd Glaeske, director of health economics and policy at the University of Bremen's Center for Social Policy Research.

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The agreement sets up a two-tiered compensation system for potential class members.

FORBES: Wrigley Settles False-Ad Class Action For $6M

An old-established two-party system is giving way to a far more polarising class divide.

ECONOMIST: Honduras's political conflict