科学研究有许多规律。
kēxué yánjiū yǒu xǔduō guīlǜ 。
There are many laws in scientific research.
生活中有很多规律需要我们去遵守。
shēnghuó zhōngyǒu hěnduō guīlǜ xūyào wǒmen qù zūnshǒu 。
There are many rules in life that we need to follow.
他研究了音乐的节奏规律。
tā yánjiū le yīnyuè de jiézòu guīlǜ 。
He studied the rhythmic patterns in music.