Describe the content modification of national standard for cold heading and cold extruding.

简述了冷镦和冷挤压用钢国家标准的修订内容。

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This feature simplifies design-time implementation of cross-cutting concerns (discussed below), because actual content modification happens in a single place, with the tool taking care of the weaving.

这一特性使得横剖关注(下面将会讨论)的设计时间实现变得简单化，这是因为实际的内容修改在一个单一的地点发生，而工具将负责编排的处理。

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After-the-fact document modification: if the remote site changes the DTD, it can use default attribute values to inject new content into the document that wasn't originally present.

事后进行文档修改：如果远程站点修改了DTD，那么它可以使用默认的属性值，将新的内容注入到无法原样呈现的文档中。

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Not all experts believe that genetic modification is the way forward - some point out that rather than enhancing the protein content of potatoes, the government could simply ensure the availability of foods which are already rich in protein, such as pulses.

BBC: NEWS | Science/Nature | India unveils six-year GM plan