It's urgent to study access pricing mechanism and policy of electronic payment system especially of POS system.

针对电子支付系统尤其是POS系统接入定价原理及政策的研究已经迫在眉睫。

youdao

It's urgent to study access pricing mechanism and policy of electronic payment system especially of POS system.

针对电子支付系统尤其是POS系统接入定价原理及政策的研究已经迫在眉睫。

youdao