与关系数据不同，DB 2 9的purexml特性以全新的方式支持XML数据——将XML作为新的数据类型处理，并存储在一个自然的层次结构中。
The pureXML feature of DB2 9 has revolutionized support for XML data-handling XML as a new data type that is stored in a natural hierarchy-different from relational data.
由于子元间的相似性，结构的整体劲度场中同一类型的结点，其劲度系数是相同的。
Because of the similarity of these sub-elements, the coefficients of stiffness for the nodes of the same zone (material) are equal in the whole stiffness field of the structure.
通过详细计算，给出了不同围护结构类型房间完整的人体显热散热冷负荷系数数据。
With detailed calculation, provides complete data of cooling load coefficients for sensible heat gain from human bodies in rooms with different building envelopes.
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