因此，根据国际结算银行(Bank for International Settlements)的统计数字，中国三月份按贸易额加权的汇率比九个月之前还要低约4%。
As a result, China's trade-weighted exchange rate was about 4% lower in March than it was nine months before, according to the Bank for International Settlements.
收入贸易条件：即以出口额加权的净易货贸易条件，以此表明出口带来的购买力。
Income terms of trade: the net barter terms of trade weighted by the volume of exports. It gives an indication of the purchasing power of exports.
这种计算考虑到所有与其有贸易往来交易的一篮子货币，惟在计算中其加权平均未经调整。
This calculation takes into account the unadjusted weighted average of the specific country as versus all of the major currencies that are being traded on a particular pool or currencies or index.
应用推荐