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Conventional International Origin
释义
Conventional International Origin
Encyclopedia
工学
地球参考系统
释
Conventional International Origin; CIO
国际协议原点
由国际纬度局5个极移监测站在1900~1905年间获取的天文纬度观测数据所确定的固定平极。又称国际习用原点。
Astronomy
Conventional International Origin
缩写:CIO。国际协议原点
随便看
unroofing
unrooted tree
unrounded
unrounded articulation
UNRRA
Unruh effect
Unruh radiation
unsafe
unsafe behavior
unsafe condition
unsafe events in flight test
unsafe factor
unsafe factors of road transportation
unsalable books
unsatisfiability
unsatisfiable
unsatisfiable set of formulas
unsaturated
unsaturated basin
unsaturated bond
unsaturated bond of mineral surface
unsaturated color
unsaturated fatty acid
unsaturated fatty acids
unsaturated flow
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