concrete proposal短语¹³¹⁶²⁰⁺³ 基本例句 具体提议 It gives the concrete proposal to amend the virtual human of DI- GUY software, gives the implementation of virtual operation environment and main questions should be settled. 给出了综合运用 DI- GUY人体仿真软件和数据手套、空间球、立体眼镜等虚拟现实硬件设备所组成训练环境的具体实现方法； cnki