央行的中文版原文是：使人民币汇率在合理均衡的水平上保持基本稳定。

Keep the RMB exchange rate basically stable at an adaptive and equilibrium level.

youdao

完善人民币汇率形成机制，保持人民币汇率在合理均衡水平上的基本稳定。

We will improve the RMB exchange rate regime, and keep the RMB exchange rate basically stable at an appropriate and balanced level.

youdao

继续完善人民币汇率形成机制，保持人民币汇率在合理、均衡水平上的基本稳定。

We will continue to improve the mechanism for setting the renminbi exchange rate and keep it basically stable at an appropriate and balanced level.

youdao