非硬 meaning in Chinese

non-obligatory renewal

Specification for nonrigid vinyl chloride polymer tubing
非硬质聚氯乙烯管规范
Standard specification for nonrigid vinyl chloride polymer tubing
非硬质聚氯乙烯管系的标准规范
Standard test methods for nonrigid vinyl chloride polymer tubing used for electrical insulation
电绝缘用非硬质聚氯乙烯管的标准试验方法
Standard test method for determining the flammability characteristics of nonrigid solid plastics
测定非硬质固体塑料易燃性的标准试验方法
A theoretical method was proposed to extend a bridge density functional approximation ( bdfa ) for the non - uniform hard sphere fluid to the non - uniform lennard - jones ( lj ) fluid
摘要为了将非匀一硬球流体的桥密度泛函近似扩展到非匀一非硬球流体，提出了一个理论方案。