What is the Synthetic Environment?何謂合成環境？

As used in SEDRIS, the synthetic environment is the representation of the natural environment at a specific geographical location including the external features of the systems within the simulated space. Therefore, the synthetic environment includes the terrain地形, terrain features地形特徵 (both natural and man-made), 3-D models 三維模型of vehicles載具, personnel人員, and certain terrain features特定地形特徵, the ocean海洋 (both on and below the surface), the ocean bottom 海底including features (both natural and man-made) on the ocean floor, the atmosphere大氣 including environmental phenomena, and near space. In addition, the synthetic environment合成環境 includes the specific attributes 屬性of the environmental data as well as their relationships關係. Reference http://www.sedris.org/faq_trpl.htm