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orthogonal
01
无关的, 不相关的
not pertinent to the matter under consideration
02
正交的, 垂直的
relating to the angle of 90 degrees
Example
The two lines are orthogonal, meeting at a perfect right angle.
In geometry, orthogonal vectors are perpendicular to each other.
03
正交的, 无关的
irrelevant or unrelated
