As one of the nova derivatives, foreign exchange options have been an essential instrument for hedging and investing in financial markets since 1970s. 外汇期权作为一种新兴金融衍生产品,经过20余年的发展,目前已成为国际金融市场的重要避险和投资工具。
The foreign exchange system restricts the operation of exchange rate instrument; 汇率制度影响了外汇操作工具的运用;
Point out it under the background of fact that Chinese and foreign culture was exchanged greatly in Tang Dynasty, Ya, Hu, Su music are merged gradually, exchange and absorb each other, has accelerated development and change that the musical instrument makes up. 指出在唐代中外文化大交流的背景下,雅、胡、俗乐逐渐融汇,相互交流吸收,加速了乐器组合的发展变化。