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[GIS编程] Untitled3
说明:The purpose of this chapter is to familiarize the reader with the basic propagation characteristics that describe various wireless communication channels, such as terrestrial, atmospheric, and ionospheric for VHF to the X-band. Well-known stand<jafar> 在 2025-06-29 上传 | 大小:1kb | 下载:0
[GIS编程] moon
说明:月亮上升下降的程序,而且是动画程序,代码比较短,比较经典-procedure of the moon raise and down<nishuangxue> 在 2025-06-29 上传 | 大小:1kb | 下载:0