这三个类中的每个类都是一个复杂的数据类型，包含用于描述特定平台性质的结构化信息。
Each of these is a complex data type containing structured information describing specific platform qualities.
了解了每个服务实现的复杂性之后，就需要采用一种结构化方法了解应该在SOA项目的什么地方应用数据质量分析。
Given the potential complexity of each service implementation, a structured approach is needed to understand where data quality analysis should be applied in any SOA project.
但是，如果大多数数据更适合采用高度结构化的实体-关系模型，数据不太像文档并且关系更复杂，那么选择NXD可能并不合适。
If, however, the majority of your data fits better in a highly structured entity-relationship model and is less document-like and more intertwined, then choosing an NXD might not help your situation.
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