客观评价森林生态系统服务功能价值动态变化，对于科学经营与管理森林资源具有重要的现实意义。
It has important significance for scientifically managing and running forest resources to evaluate the dynamic changes of the service function of forestry ecosystem system.
提出闭式环路水源热泵空调系统运行能耗的计算机动态模拟评价方法。
This paper presents a method, in which the computer dynamic simulation is used, to evaluate the energy use of WLHP (water loop heat pump) system.
阐述了手扶机动插秧机液压仿形系统的功能、特点、设计依据、动态分析、数字仿真及评价指标。
The functions, distinguishing features, dynamic analysis and applications of digital stimulation of hydraulic position control system for a walking type transplanter are discussed.
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