在岸人民币兑美元北京时间16:30官方收报7.1796，较上一交易日官方收盘价跌20点，较上日夜盘收盘跌25点。

Core Viewpoint - The onshore Chinese yuan (CNY) against the US dollar (USD) closed at 7.1796, reflecting a decline of 20 points from the previous trading day's official closing price and a drop of 25 points from the night session closing price of the previous day [1] Summary by Category - Currency Performance - The official closing rate of the onshore CNY against the USD was reported at 7.1796 [1] - The CNY fell by 20 points compared to the previous trading day's official closing price [1] - The CNY decreased by 25 points from the night session closing price of the previous day [1]