Objective To study the optimized method for precise modeling of virtual device, while using virtual reality in the simulation training of space flight.
研究在应用虚拟现实进行航天飞行模拟训练时，虚拟设备精确建模的实现与优化方法。
The research of the virtual crop is in the forward position of crop simulation study at present, and has broad prospects of application.
虚拟作物是目前作物模拟研究的前沿，具有广泛的应用前景。
In order to get stable and natural gait of numerical man with lower exoskeleton in the dynamic simulation of virtual man-machine system, the study of gait planning methods is required.
穿戴下肢外骨骼的数字人在虚拟人机系统运动仿真中应具有稳定自然的步态，因此需要研究步态规划方法。
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