exchange center短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 🌏交流中心；交换中心；在线交流 After the equilibrium of fast exchange process is reached, the slow exchange process can be treated as pseudo-single exchange center system by means of the differential kinetic equation. 当快速交换过程达到平衡后，慢过程可用微分动力学方程式按均匀交换体系进行处理； cnki