1. 不偏的：unbiased test 无偏检验 | unbiassed 不偏的 | unbrace 放松

2. 未加偏压的：unbiasedvariance 无偏方差 | unbiassed 未加偏压的 | unbiassedconfidenceinterval 无偏置信区间

3. 无偏见的/公平的：unbiasedness /不偏性/ | unbiassed /无偏见的/公平的/ | unbidden /未奉命的/未受指使的/自愿的/未受邀请的/

adj

1. without bias

Synonym: unbiased

2. characterized by a lack of partiality

e.g. a properly indifferent jury
an unbiasgoted account of her family problems

Synonym: indifferentunbiased