The file-based nature of Linux is a great advantage when backing up and restoring the system.

在备份和还原系统时，Linux 基于文件的性质成了一个极大的优点。

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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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Electronic payment system is the kernel of E-commerce system. Although the electronic payment system based on E-cash is still under developing, it might be widely used because of its advantage.

电子支付系统是电子商务系统的核心，基于电子现金的电子支付系统目前还处于研究阶段，但由于它拥有许多优点，在未来将被广泛使用。

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