可读性比标记长度更重要。

Readability is more important than tag length.

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带标记的消息还需要分配可变长度的数据元素来存储检索数据值而带来的空间开销。

A tagged message also has the space overhead of allocating variable length data elements to store the retrieved data values.

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之后，第二个 标记将数组的长度写出到浏览器页面，如 图 1 所示。

Then, the second tag writes out the length of the array into the browser page, as shown in Figure 1.

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So what we do is we pick an origin, call it zero, we put some markers there to measure distance, and we say this guy is sitting at 1,2,3,4,5.

我们现在选择一个原点,称其为零点,我们做一些标记来测量距离,这个点在五个单位长度的地方

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