研究结果表明，在控制人民币实际汇率变动和国外市场需求变动之后，我国贸易差额与人民币升值预期之间的相关关系非常显著；
The results show that China's trade balance is significantly related with the expectation of RMB appreciation after controlling the movement of real effective exchange rate and abroad market demand;
对成本价格进行确认并跟踪，控制销售差额；
Determine and ensure the follow-up of the cost price. Control the margins of the sales;
采用差额公式法调价操作比较简单，可以很容易得出实际价差，对工程的施工质量起到一定的控制作用。
Balanced error formula method is easier to operate price adjustment and draw the conclusion of practical price gap. It makes definite utilization of control for project construction quality.
应用推荐