产品生命周期是指产品随销售量与利润的变化从进入市场到退出市场的过程。它主要包括产品开发期、介绍期、成长期、成熟期与衰退期五个阶段。
Product life cycle: the course of a product's sales and profits over its lifetime. It involves five distinct stages: product development, introduction, growth, maturity, and decline.
在两部分组成的关于XSLT的系列文章的第一期中,介绍了XSLT 2.0的一些新特性,并说明了如何从抽象数据模型生成代码。
In the first article of this two-part series on XSLT, I introduced you to some of the new features in XSLT 2.0 and showed you how to generate code from an abstract data model.
下一期将介绍技术实现。
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