Based on the theory of random effectiveness and urban traffic network, a random model used for computing average travel time in a road network is established.
以随机效用理论为基础，建立了整个路网中车辆在路网容量极限状态下的平均行驶时间模型。
Finally, the simulation design of an example of DRES: "driving control and monitoring system of car" reveals the effectiveness and merits of message architecture model and time-accounting measure.
最后，通过对分布式实时系统实例“汽车行驶监控系统”的模拟设计，表明了消息体系模型和时间记账机制的有效性及优点。
T he effectiveness of interval velocity time-depth conversion processing is mainly dependent on the correctness and rationality of the built velocity model of ti me-depth conversion.
层速度时深转换处理的效果，主要取决于所建立的时深转换速度模型的正确及合理性。
On the basis of the real time information system of a power plant developed is an on line practical for use mathematical model for evaluating the operation cost effectiveness of a monoblock unit.
在电厂实时信息系统的基础上，开发了实用的单元机组运行经济性在线数学模型。
On the basis of the real time information system of a power plant developed is an on line practical for use mathematical model for evaluating the operation cost effectiveness of a monoblock unit.
在电厂实时信息系统的基础上，开发了实用的单元机组运行经济性在线数学模型。
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