【经】 本期营业收入

extension of the limitation period suspension of the prescriptive period commencement of the limitation period shortening of the melting period stream of revenues estimate of revenues and expenditures statement of revenues and expenditures supervision of freight traffic revenues limitation of the period for tax exemption principle of matching cost with revenues period of yolk formation period calculation of transit period effective period of the profit of the period length of the underfeeding period relative error of the period prolong the period of validity heating period of the engine length of the limitation period the expiration of the period for exemption balance at the beginning of the period projection of reserves and revenues