和平共处五项原则the Five Principles of Peaceful Coexistence
互相尊重主权和领土完整mutual respect for each other's sovereignty and territorial integrity
互不侵犯mutual nonaggression
互不干涉内政noninterference in each other's internal affairs
平等互利 equality and mutual benefit; mutual and equitable benefit
和平共处 peaceful coexistence
参考资料:汉英法学大词典