Ministry of Education 《Concised Mandarin Chinese Dictionary》

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切線

Bopomofo

ㄑㄧㄝ ㄒㄧㄢ^ˋ

Hanyu Pinyin

qiē xiàn

Interpretation

數學上指與曲線或曲面相觸於一點，而不與相交的直線。　

Picture

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