定律

yú xián dìng lǜ

余弦定律

cosine law

niú dùn tí chū le wàn yǒu yǐn lì dìng lǜ

牛顿提出了万有引力定律。

Newton invented the law of universal gravitation.

wù zhì néng liàng shǒu héng dìng lǜ

物质能量守恒定律

law of conservation of matter and energy

héng shù shì zhū rú cǐ lèi de dìng lǜ

横竖是诸如此类的定律。

It's a law something like that.

xīn dìng lǜ huò dé le xué shù jiè de rèn kě

新定律获得了学术界的认可。

The new law has gained acceptance in academic circles.