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Jyutping zing3 jin4 ding6 lei5
Pinyin zhèng xián dìng lǐ

Definitions (CC-CEDICT)
  1. law of sines
Definitions (Wiktionary)
  1. noun
    law of sines
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)