可检测性是衡量并确保产品功能质量的重要特征参量。
Testability is the essential parameter to evaluate and guarantee the functional quality of products.
每种测试方法确定软件产品在不同功能区域的质量。
Each of these testing methods ascertains the software product quality in different functional areas.
需求版本化也简化了需求审计的功能，有助于确保产品满足需求，并因此改进质量。
Requirements versioning also streamlines the requirements-auditing function, helping to ensure that the product meets the requirements and thereby improving quality.
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