在软件开发生命周期中，逻辑数据模型（Logical Data Models，LDM）常常被忽略，但是出于多种原因，它在SOA 中的地位变得日益重要。
were frequently overlooked in the software development life cycle, but they become increasingly more important in SOA for many reasons.
通过竞争地位的模型分析、价值链分析和产品生命周期分析三条途径来识别企业的竞争优势。
Three ways are proposed to analyze different corporations and then recognize the competitive superiority, i. e., the models of competitive status, value chains and life period of products.
软件确认测试在软件测试生命周期中占有重要地位。
Validation testing plays an important role in the life cycle of software development.
乙烯生产的生命周期影响中，不可再生资源消耗占据主要地位，在总负荷中占到的份额达58%。
According to the life cycle interpretation, the impact of the depletion of non-renewable resources was more than 58% in the overall impact.
众所周知，软件测试作为保证软件质量的有效手段，在软件的生命周期中占有十分重要的地位。
As we all know, as an effective method for guaranteeing the quality of the software, software testing occupies a very important position in the life cycle of software.
众所周知，软件测试作为保证软件质量的有效手段，在软件的生命周期中占有十分重要的地位。
As we all know, as an effective method for guaranteeing the quality of the software, software testing occupies a very important position in the life cycle of software.
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