公式

gōngshì

formula; standard pattern

HSK 7-9

Pronunciation

gōngshì

这个数学公式非常复杂，需要仔细推导。

Zhège shùxué gōngshì fēicháng fùzá, xūyào zǐxì tuīdǎo.

This mathematical formula is very complex and requires careful derivation.

One fixed sample

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