円えん錐すい図ず法ほう

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Meanings

1

noun

conic projection; conical projection

A map projection where the Earth's surface is projected onto a cone. Technical term used in geography and cartography.

circle, yen, round

錐auger, drill, awl

図map, drawing, plan

法method, law, rule

円えん筒とう図ず法ほう
円筒図法 is a cylindrical projection, while 円錐図法 is a conic projection.
方ほう位い図ず法ほう
方位図法 is an azimuthal projection, distinct from the conic projection of 円錐図法.

Compound of 円錐 (cone) and 図法 (projection method).