• In survey of this phenomenon, using spot date, physical and mathematics stimulant method, flowage and diffusion are studied and wellbore flow and air diffusion model of CO are established.

    针对一现象运用现场数据以及物理模拟数学模拟方法首次通过对CO气体流动扩散等的综合研究建立了CO井筒流动大气扩散模型

    youdao

  • This paper studied mathematical mould and vibration curve, it used vibration analysis and mathematics and physical method, and used sonic testing of axles, too.

    本文利用振动分析理论数学物理方法音频检测轴类零件数学模型和曲线进行研究

    youdao

  • This paper studied mathematical mould and vibration curve, it used vibration analysis and mathematics and physical method, and used sonic testing of axles, too.

    本文利用振动分析理论数学物理方法音频检测轴类零件数学模型和曲线进行研究

    youdao

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