XML是一种通用数据表达法。在使用不同程序语言编写的程序和执行不同的机器指令之间，可以使用XML作为交换媒介。

XML is a common data representation that can be used as the medium of exchange between programs that are written in different programming languages and execute different kinds of machine instructions.

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当前，控制或预防登革热病毒传播的惟一方法是与蚊虫媒介作斗争。

At present, the only method of controlling or preventing dengue virus transmission is to combat the vector mosquitoes.

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大约1885年，用天然气加热烘焙箱、以热空气作为唯一的热媒介的工艺就已经被开发了，这种工艺至今仍是最好最普及的咖啡烘焙法。

About 1885, a process by which natural gas heats a roasting chamber and hot air is the only heating medium was developed, and this remains the best and most popular method of roasting coffee.

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