variable exchange rate

The heat-supply system with distributed variable frequency pump is a heat-supply system in which the flow rate is regulated with return-water pressured pump, instead of valve, set at return water pipe on the high-temperature side of heat exchange in substation.

分布式变频泵供热系统是指在热力站换热器一次侧回水管上设置回水加压泵，代替阀门完成流量调节的供热系统。

Prices are variable according to the rate of exchange.

物价会随汇率而变动.

Exchange rate has an important effect on macro-economy. It is an important variable of financial market.

汇率是金融市场的重要变量,对一国国民经济的健康运行有着很大的影响.

As a chief macroeconomic variable, the real exchange rate ( rer) has a tight connection with the growth and fluctuation of the economy.

实际汇率作为重要的宏观经济变量，与经济运行的两大基本范畴&经济增长和经济波动，存在着紧密的联系。

Exchange rate as an important variable of adjusting trade flow, its change not only directly affects the prices of tradable goods, but also indirectly affects total bilateral volume of trade and net position.

汇率是平衡国际收支的重要变量，其变化既直接影响贸易品价格，又间接影响双边贸易总额及净头寸。