《空间政策指令3》为美国制定了一般性指南，以减轻空间碎片的影响以及跟踪和管理太空交通。
Space Policy Directive-3 lays out general guidelines for the United States to mitigate the effects of space debris and track and manage traffic in space.
在下一个对话框中，配置哪些内存空间可缓存指令和数据。
In the next dialog, you can configure which memory Spaces will be cacheable for instructions and data.
可以命名的其它 XML 项，如处理指令目标和实体，不能拥有用名称空间限定的名称。
The other XML items that can be named, such as processing-instruction targets and entities, cannot have a name qualified with a namespace.
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