An analysis method is proposed to identify structure borne sound source based on vibrational energy flow theory.
基于能量流理论提出了识别结构噪声源的分析方法。
The principle and the application model of full cell in vehicle are introduced. The structure and energy flow control strategy of fuel cell hybrid vehicle are described.
介绍了燃料电池的工作原理及其车辆应用模型，并在此基础上进一步阐述了燃料电池混合驱动汽车的结构与其能量流的控制管理策略。
The flow of material, energy, population, information and species in urban landscape are the primary functional flows sustaining the urban structure and functions.
城市景观中的物质流、能量流、人口流和信息流等，是维持城市景观结构的主要功能流。
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