【经】 经济业务分类

business transaction velocity transaction of near delivery classification of documents classification of income classification of waste classification of pollutant classification of mail classification of rivers questions of classification mechanization of classification yard classification of expenditures classification manual of accounts classification and imputation of transaction business transaction direct transaction in business transaction velocity of money prohibition of direct transaction transaction of near delivery classification of brain tumor questions of classification classification of feeds classification of wound healing Galton's system of classification