不过在某些环境下需要更多控制信息并将其以附加头的形式作为负载数据的前缀，如上面图1所示。
But under some circumstances, more control information is needed and is prefixed to the payload data in the form of additional headers, as shown in Figure 1 above.
算术表达式中最常见的表示法形式有 中缀、前缀和 后缀表示法。
The three most common forms of notation in arithmetic expressions are infix, prefix, and postfix notations.
属性文件是平面文件—它们并未提供任何形式的键嵌套和分组—但是您可以通过创建具有相同前缀的带点名称来对您的键实现虚假嵌套。
Properties files are flat - they don't offer any sort of nesting or grouping of keys - but you can pseudo-nest your keys by creating dotted names with identical prefixes.
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