空间数据模型是地理信息系统设计的核心和基础。
Spatial data model is the core and base of three dimensional geographic information system design.
空间环境是开展空天一体化信息作战的主要场所，也是利用空间、控制空间的信息基础和资源保障。
The space environment is the main field of the space-aeronautics incorporation information battle, and is the information base and resource guarantee of utilizing space and controlling space.
考虑SLM显微图像的特征和图像的彩色信息，在HSI彩色空间和向量空间的基础上，提出了两种基于小波变换的边缘检测算法。
Considering the characteristics of SLM microscopic images and color information of them, two wavelet transformation based methods in HSI color space and vector space for edge detection are proposed.
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