研究人员采用随机抽样,以避免结果受到主观偏见影响。Yánjiū rényuán cǎiyòng suíjī chōuyàng, yǐ bìmiǎn jiéguǒ shòudào zhǔguān piānjiàn yǐngxiǎng.The researchers used random sampling to prevent the results from being affected by subjective bias.
我们用随机的方式决定谁先发言,这样比较公平。Wǒmen yòng suíjī de fāngshì juédìng shéi xiān fāyán, zhèyàng bǐjiào gōngpíng.We decide who speaks first at random, which is fairer.
老师从名单上随机挑选了三位学生做课堂展示。Lǎoshī cóng míngdān shàng suíjī tiāoxuǎn le sān wèi xuésheng zuò kètáng zhǎnshì.The teacher randomly picked three students from the list to give a class presentation.