noun
projection method; method of projection
General term for any technique or method of projecting images, light, or data.
この投影法は地図製作に広く使われている。
This projection method is widely used in mapmaking.
noun
projective technique
In psychology, a method of personality assessment using ambiguous stimuli to reveal unconscious thoughts.
ロールシャッハ・テストは代表的な投影法の一つだ。
The Rorschach test is one of the representative projective techniques.