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1984世界大地坐标系
释义
1984世界大地坐标系
Encyclopedia
工学
〔导航坐标系〕
释
world geodetic system 1984; WGS84
1984世界大地坐标系
协议地球参考系(conventional terrestrial reference; CTR)、全球定位系统(GPS)卫星星历的参考基准,由美国国防制图局于1984年建立。
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optical sun
optical surface
optical surface flaws
optical surface imperfection
optical surface roughness
optical surveying instruments
optical suspended sediments determinator
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optical switching
optical switching integrated device
optical switching network
optical system
optical system design
optical system design (lens design)
optical system parameters measurement
optical table
optical telecommunication coatings
optical telescope
optical temperature
optical testing
optical testing instrument
optical theodolite
optical theorem
optical thickness
optical thin film
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