Difference between revisions of "Unit of Measure Codelist"

Revision as of 12:46, 8 October 2019

The value domain of Unit of Measure Codelist is defined in the following table.

#	Code	English Name	Definition
1	meter	Meter	The metre is the length of the path travelled by light in a vacuum during a time interval of 1/299 792 458 of a second.
2	degree	Degree	Measure of angle equal to Pi/180 radians, widely used in geography
3	arcSecond	Arc Second	Measure of angle equal to Pi/648000 radians, widely used in geography
4	radian	Radian	Radian is an unit of angle measure. It is defined as the ratio of arc length to the radius of the circle.
5	grad	Grad	A unit of angle, equal to one-hundredth of a right angle expressed in degree.
6	squareMeter	Square metre	Area of a square whose sides measure exactly one metre
7	percent	Percent	One one-hundredth part
8	unity	Unity	For value without unit of measure
9	day	Day	Unit of time defined as 24 hours
10	hour	Hour	Unit of time defined as 3600 seconds
11	second	Second	Unit of time defined as 9 thousand million periods of radiation of the caesium atom.

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