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luxury light sky blue marble texture. Background for banner backdrop or texture for 3D mapping,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美
sunbeam light on the sky background,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商银行等数万家企业级客户
winter watercolor background light blue sky with falling snow. Download a free preview or high-quality Adobe Illustrator (ai), EPS, PDF vectors and high-res JPEG and PNG images.
File Size: 86.31KBDownload times: 669 This is a set of elegant blue sky and white clouds PPT background pictures; Keywords: Elegant PPT background picture, blue sky and white cloud slide background picture ElegantBlue skyWhite Cloud Related PowerPoint Templates ...
间接光照：表示主光和环境光照射到物体反弹出来的光能量环境光：非主光提供的光照 skylight、background就可提供环境光全局光照：包括主光和环境光主光+环境光照射到物体反弹出来的光子的过程叫间接光照主光+环境光=全局光照
The invention provides a sky background light measuring device in space laser communication, belonging to the technical field of space laser communication. The device comprises an adjustable diaphragm, a lens group with variable focal distance, an optical filter group with adjustable narrowband ratio, ...
Traffic light in red color with sky background.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商银行等数万