H 选项取消引用命令行上的链接，而 -L 选项取消引用属于显示内容一部分的附加链接。

The -H option dereferences links on the command line and the -L option dereferences those plus links that are part of the display.

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本文叙述了电力行业标准DL/T5178-2003《混凝土坝安全监测技术规范》修订过程、修订原则及修订的主要内容。

This paper mainly introduced the pro cess, principle and main contents on revision of DL/T5178-2003Technica l Specification for Concrete Dam Safety Monitoring.

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它包含两个句子。 第一个句子 ls -A 是动词结构，列举当前目录下的内容，第二个句子 wc -l 是另一个动词结构，用于计算行数。

The first clause, ls -A, is a verb and enumerates the contents of the current directory; the second clause, wc -l, is another verb to count lines.

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Edgar Lee Masters They are Dreiser, Edgar Lee Masters Lewis H.L. Mencken, Anderson, and Lewis: all American writers. Compare that with the catalog that he gives of his reading on 249, and you'll see what's being elided.

有德莱塞,门肯，Anderson和：,对比一下,他在249页讲的那类作家，你们会发现他隐去了一些内容。

耶鲁公开课 - 1945年后的美国小说课程节选

Now what do we get if we print l? MIT is gone.

再试试显示数组内容，MIT没了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now I'll print L 2. Kind of what you'd guess, but here's the interesting question: if I say L 1 is assigned 0, L 1 sub is assigned 4, I'll print L 1.

然后我将显示下L2的内容，你，们猜猜这个有趣的问题：,如果我将L1赋值为4的话，再去显示下L1，会怎么样呢？

麻省理工公开课 - 计算机科学及编程导论课程节选