intervention rate meaning in English

干预率
介入为替相场干预汇率

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。
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。