There are many uneven factor in the phase space of multi-particle.
末态粒子相空间存在着各种非均匀因素。
Discussion on uniform return air for air conditioning in textile factories;
纺织厂空调均匀回风问题的探讨
After analysis of the existing problems in the production of old grates of the gasifiers,we use the design principle of "well distributed ventilation" to make the new type grates Thus we solve the long existing problems and improve our profit