Because of the change and difference of external condition, practical operating mode of pumping station always deviates from the design's more or less.
由于外界条件的变化与差异，泵站的实际运行工况总是或多或少地偏离设计最佳工况。
The rod pumping is the predominance mechanical recovery mode in world petroleum production, the system dynamical simulation is the base of system efficiency analysis and optimum design.
有杆泵抽油是世界采油工程中一直占主导地位的机械采油方式，系统动态模拟是系统效率分析和优化设计的基础。
In this paper, the influence of the pumping noise and the spontaneously radiative noise on the threshold behaviour for the single mode dye lasers has been analysed by making use of WKB theory.
本文利用WKB理论分析了泵浦噪声与自发辐射对单模染料激光器阈值行为的影响。
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