pure exchange meaning in English

纯交换

Query on sufficiency of pure exchange pareto optimum and improvement
试疑纯交换帕累托最优条件的充分性及其改进
In this chapter , by the base of analysis of preference and utility function of stock market , put forward the model of finitely pure exchange and prove the existence of stock equilibrium price
在这一章中，本文在分析了股票市场的偏好和效用函数的基础上，提出了有限纯交换模式，并对股票的均衡价格的存在性进行了论证。
In contrast , on the cyberspace , people can put behind considerations of such inevitable discriminatory factors as social , family , income , religion , and race and skin color to engage in pure exchange of opinions on a mutually interested topic with less psychological burden
而在网络空间，人们完全可以不考虑自己的社会地位、家庭背景、经济收入、宗教信仰、种族肤色等现实社会无法回避的矛盾，进行一些相对单纯的、非功利性质的精神交流，也可以就共同感兴趣的问题发表自己的见解和看法，交流双方不会产生心理上的负担。