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单词
celestial intermediate reference system
释义
celestial intermediate reference system
Encyclopedia
理学
天球中间参考系
释
celestial intermediate reference system;CIRS
天球中间参考系
采用天球中间零点(CIO)进行地心天球参考系(GCRS)和国际地球参考系(ITRS)的转换,对GCRS进行岁差-章动随时间变化的转动后的地心参考系。
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savoy knot
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saw
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sawhorse projection
sawing
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sawing technique
Sawiskera
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