Here is the sequence: SGML comes out when RAM is expensive, and it must be stream processed since documents are so much bigger than physical RAM: in-memory implementations are prohibitive.
顺序是这样的，当RAM很昂贵时SGML（Standard Generalized Markup Language 标准通用标记语言）出现了，因为文件总是比物理RAM存储器大很多，所以它必需是流处理方式：内存中处理的价格高的惊人。
Well, first let's consider your computer. Here, for example, is a system I highly recommend-the Power Macintosh G3. it comes with 64 megabytes of total memory.
好的，我们先考虑你要的电脑。我极力推荐这儿的一套系统统———麦金塔g3。它的总内存为六十四兆。
Well, first let's consider your computer. Here, for example, is a system I highly recommend-the Power Macintosh G3. it comes with 64 megabytes of total memory.
好的，我们先考虑你要的电脑。我极力推荐这儿的一套系统统———麦金塔g3。它的总内存为六十四兆。
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