他坐下来，冲负责播放视频的技术人员点点头，设在会议室的前头一个大屏幕上开始播放视频录像：镜头前站着两个手持突击步枪的蒙面男子。
He sat down and nodded to a techie who played the video on the screen in the front of the room: Two men with assault rifles stood in front of the camera, wearing hooded masks.
针对某SUV车抗点头和抗抬头性能较差，运用虚拟样机技术，建立其前后悬架虚拟样机模型。
In the light of the poor anti-dive and anti-lift performances of a certain SUV, virtual prototype models of its front and rear suspension systems were built using the virtual prototype technique.
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