The rate of 7 . 75 has been chosen because it is the current intervention rate of the hkma 选择,是因为这是金管局现行的干预汇率水平。
2.
7 . 7500 has been chosen as the rate for the convertibility undertaking because it is the current intervention rate of the hkma which is commonly known in the market 由于7 . 7500是金管局现时所用也是市场普遍知悉的干预水平,因此被定为兑换保证的汇率水平。