The signature is later checked via reference and signature validation that recreates the digest value and makes sure that it matches what is held in the data object.

稍后透过引用和签名验证来检查该签名，这些验证将重新建立摘要值并确保它与该资料物件中的内容匹配。

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Of course, DTD's and XML schemas facilitate XML structure validation; however, sometimes documents don't reference them — in these scenarios, structure validation can be helpful.

当然，DTD的模式和XML模式都有助于XML结构验证，然而，有时文档并不需要引用它们——在这些场景下，结构验证可能会很有用。

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These two dimensions, "Validation" and "Verification" traceability, are illustrated in Figure 1 with reference to the core RUP disciplines.

这两个维度，“确认”和“验证”追溯，如图1所示，引用了核心的RUP规程。

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