设计了机油冷却器传热性能测试系统的硬件部分，编写了流量数据的采集和通信程序。
Secondly, it designs the hardware of the oil cooler heat transfer test system and compiles the programs of the flow data collection and communication.
介绍了基于性能管理系统的采集工具所获取的时延数据等，模拟网络拓扑结构及流量分析算法。
The data of time delay on the basis of tools in the system is introduced and relevant network topology and net-flow analysis algorithm is described.
为了建立基于进气流量、D PF床温、碳烟以及喷油量的DPF压降模型，论文进行了一系列的试验，采集了大量数据。
In order to build the DPF pressure drop model based on air intake flow, DPF bed temperature, soot and fuel charge, the paper has carried out a series of tests, collected a mass of data.
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