It changes the user query models into the identity query models in the database, and has accomplished the browsing of OODB.

通过标识映射把用户的查询转换为库中基于标识的查询，实现了OODB的浏览。

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In this paper, the exergy analysis of the positive and reverse balances on micro-turbine(MT) regenerative cycle is made and the mathematical models of the identity between two balances are deduced.

对采用回热循环的微型燃气轮机进行了正、反平衡效率分析，推导了正、反平衡效率一致性的数学模型。

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