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正投影
zhèngtóuyǐng
1. orthogonal projection

Character Breakdown

正
zhèng
straight, right, proper, correct, just, true
HSK 2 5 丶
投
tóu
to pitch, to throw; to bid, to invest
HSK 5 7 丶
影
yǐng
shadow; image, reflection; photograph
HSK 1 15 丶

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