ANGLE
http://data.posccaesar.org/rdl/RDS358019
<http://rds.posccaesar.org/2008/02/OWL/ISO-15926-2_2003#SinglePropertyDimension>
2001.09.10
u82237
An angle between two half-lines terminating at the same point is defined as the ratio of length of the included arc of the circle (with its centre at that point) to the radius of that circle
RDS358019
ANGLE
ANGLE
Qualified
PLANE ANGLE
ISO 31-1:1992(E)