A universal system model about database natural language interface, which separates the programming from Knowledge-Base is constructed.
构造了一个程序设计与知识库相分离的通用的数据库自然语言接口系统模型。
In this paper, distirbuted transaction, concurrency control and resource request model are introduced in detail. The universal deadlock condition in distirbuted database system is summarized.
本文将详细介绍分布式事务、并发控制和资源请求模型，总结出分布式数据库系统的通用死锁条件。
Based on the physical analysis of water flow processes in soil-plant system, a universal model of cicruit analog for water flow in the system was developed in this paper.
本文在土壤—植物系统中水流过程物理分析的基础上，建立了该系统中水流电模拟最通用的非线性模式。
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