This paper discusses some propeties of mixed estimator of regression coefficients with prior informations, and some advantages of mixed estimators under MDE three criterion.是什么意思_This paper discusses some propeties of mixed estimator of regression coefficients with prior informations, and some advantages of mixed estimators under MDE three criterion.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句