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准线

zhǔnxiàn

Traditional: 準線

directrix line of a parabola / guide line

Character Breakdown

准
zhǔn
standard, accurate; to permit, to approve, to allow
HSK 2
线
xiàn
line, thread, wire; clue, trail
HSK 4

Additional Information

Category
Chinese
HSK Character Level
—
HSK Word Level
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