欧美美女在线/高潮迭起av乳颜射后入/亚洲欧美一卡二卡/精品视频免费在线观看/四川丰满少妇被弄到高潮/无码成a毛片免费/www.青青青/日批在线播放/久久大胆人体/日韩三级一区二区三区/国产爆操视频/国产熟妇与子伦hd/777亚洲精品乱码久久久久久/欧美成人片在线/日韩欧精品无码视频无删节/欧美黑人欧美精品刺激/亚洲综合色婷婷在线影院p厂/啪一啪在线

數字沙盤

數字沙盤通過墻面或者地面大面積 LED 播放系統、大面積投影拼接系統， 結合 GIS 城市地理信息系統海量數字城市模型數據，應用專利的軟件、硬件、數據整合系統，配合使用觸摸控制屏、三維控制器、iPad 等多種互動控制平臺，實現海量數字城市信息查詢。墻面數字沙盤系統配合地面三維立體真實模型呈現虛擬與真實、多角度、全方位的數字城市信息。

Digital sand table realizes massive digital city information inquiry through wall or ground large area LED playback system, large area projection splicing system, combined with massive digital city model data of GIS urban geographic information system, patented software,  hardware, data integration system, combined use, touch control screen, three-dimensional controller, iPad and other interactive control platforms. The wall digital sand table system cooperates with the three-dimensional real model of the ground to present virtual and real, multi-angle and omni-directional digital city information.