另一个未解决的问题是：是否能够真正制造出这些电池，到目前为止，功率强而能效高的细胞发电装置还只出现在虚拟世界。
Another open question is whether these cells can actually be built; so far the powerful and efficient cellular powerhouses are only present in virtual reality.
基于虚拟仪器环境开发了燃料电池混合动力仿真与实时控制系统，建立了基于模型的控制器开发平台。
Based on virtual instrument development workbench, simulation and real time control system for fuel cell powertrian was developed and a model based controller development platform was constructed.
然后，详细阐述实现虚拟叉车设计的关键部分——平衡重式蓄电池叉车总体性能参数设计系统。
Author studies the virtual manufacturing technology and we successfully develop a system of the performance of the counterbalance electric forklift truck.
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