有两种基本方法可用于编辑和验证 XML 源文件，您可任选其中的一种。
You can choose either of two basic methods for editing and validating your XML source.
不。不管怎样，贵公司可以从两种办法中任选其一。
负载监控功能Load monitoring function用于监控下级不重要负载，保证主系统供电；负载监控有两种方式可选，用户任选其一。
To monitor the subordinate unimportant load so as to ensure power supply of main system There are two patterns of load monitoring from which users can choose one at random.
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