It goes without saying that web design has never been a static or permanent code of rules or approaches to web content storing and presentation.

当然，这并非说网站设计就不再使用静态或永久性编码规程和方法来保存和呈现网站内容。

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Even though they can subsequently be un-done (known as reverting), both the changes and the replacement code that undoes those changes are a permanent part of project history.

即使之后可以取消(称为还原)，但这些更改和取消这些更改的替换代码也都成为项目历史不变的一部分。

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Note: Observatory code 247 is used for non-permanent observing sites.

注：观测地编号247被用来表示非永久的观测地。

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Another caveat is that a permanent reimbursement code for Medicare will not be forthcoming until January 2013.

FORBES: The Eyes Have It: Can Regeneron Make Roche Blink?

Instead of labels, GenVault puts a tiny bit of unique rice DNA into each human cell sample, a sort of permanent bar code for the samples.

FORBES: The DNA Bar Code

Donald saw some benefit in the decision by Congress to make most of the tax code permanent, largely ending its recent practice of temporarily extending big chunks of the law a year or two at a time.

FORBES: Here Comes The Next Fiscal Cliff Crisis. It's Going To Be Worse.