inequality proportion不等: vary; differ; in variety; co ...比例: scale; scaling不等比例分层抽样: disproportionate stratified sampling不等比例子类数: disproportionate subclass numbers等比例: constrain下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:不等比例，即可在微信中查询翻译
