In this paper,as to the collective I/O server model and scientific application's access mode,the disk overhead and the communications time are considered,the o ptimal service relationship analysed and the simulation verification performed.
本文针对集束式请求服务 模型和并行科学计算应用的访问模式，综合考虑了磁盘开销和通讯时间，在理论上推导出最 优化的服务关系，并进行了模拟验证。
参考来源 - 并行文件系统中的最优化服务关系研究 On the Optimal Service Relationship in Parallel File Systems·2,447,543篇论文数据，部分数据来源于NoteExpress
In order to ensure correction of the design, XL-APIC adopts the down-up simulation verification strategy.
为了保证设计的正确性，XL - APIC采用了自下而上分级的模拟验证策略。
Through simulation verification and comparison with conventional cascade PID control system, the results show the self-adaptive PSD control system has better control effectiveness.
通过仿真验证并与常规串级PID控制系统进行比较，表明自适应PS D控制系统具有更好的控制效果。
The porthole cover forming technology has been analysed and theoretical calculation and simulation verification have been done hence scheme of forming technology and die design done.
分析了装货口盖成形工艺性，并进行了理论计算和模拟验证，由此制定了该工件的成形工艺、模具设计方案。
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