Based on an analysis on the variable flow operation regulation of heating systems, puts forward variable temperature difference control and control scheme.
在分析供热系统变流量运行调节的基础上，提出了变温差控制并给出了控制方案。
This paper puts forward a new multiple gird scheme, which is used with the combination of explicit time marching method, finite volume difference code and distributed body force.
提出了一种新的与显式时间推进法、有限体积差分格式、粘性体积力法有效地配合使用的多重网格法来求解叶轮机械可压流动。
By comparison, the difference of experimental results of two groups of pulse tube refrigerators has been analyzed and an improved experimental scheme has been brought forward detailedly.
对比两套不同尺寸的脉管制冷机的实验结果，详细分析其不同点，并提出具体的制冷机改进方案。
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