Through geometrical and projection system transform, standard false color composite, spatial enhance to image, link with land use/ cover type, establish interpret symbol of TM image, and to extract information of desertification. 通过对图像几何和投影系统转换,图像标准假彩色合成,影像空间增强处理,并结合划分的土地利用/覆被类型,建立TM影像目视解译标志,进行荒漠化信息的提取。
Interpreted the formation and function of the testing center distance tolerance zone ( the radial composite testing tolerance zone), passed an opinion to the meanings of one symbol; 解释了检测中心距公差带(径向综合测试公差带)的形成和作用,对个别代号的含义提出了看法;
Honeycomb sandwich structure has been widely applied in various areas, including aerospace field. And the amount of usage of composite material has become an important symbol to measure the advancement of a spacecraft. 复合材料如蜂窝夹层结构在包括航天工业的各个领域得到了广泛的应用,且其用量的多少成为衡量航天器先进性的重要标志之一。