Properen普罗普朗properadj.合适的；正当的；真正的proper information disclosure适度信息披露proper plantar digital artery趾足底固有动脉proper boundary value problem本者值问题proper proportion of nutrient肥料配合合理proper therapy for qi disorder气宜Properties of the Peptide Bond肽键的性质Proper design in proper region因地制宜proper palmar digital arteries指掌侧固有动脉properties of sound absorption吸声特性proper refinement of partition划分的真加细