这一切之所以成为可能，是因为戴尔所付运的每套系统都有一个与其详细技术规格相联的产品编号。
This is possible because Dell brands each system it ships with an individual product number that links to its detailed technical specifications.
取决于测试思想的详细程度，这种映射可以在准备阶段中的测试技术选择中或在规格说明阶段的测试用例规格说明中发现。
Depending on the level of detail of test ideas a mapping can be found in the choice of test techniques in the Preparation phase or in the specification of test cases in the specification phase.
随附文件详细列出了建议采购的机器的型号、价格、预计节约的费用以及技术规格。
The attached document gives in greater detail suggested new models, prices, estimated savings and technical specifications.
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