精神奖励 morale boosting ; psychic reward ; mental encouragement

励精测绘 PENTAX-surveying

精神激励 Spiritual drive ; Spiritual incentive

精密激励式肺活量计 precision incentive spirometer

不断自我鼓励的精神 Self Motivated

鼓励怀疑精神 the encouragement of a questioning spirit

精神鼓励 moral encouragement

内在精神激励 the intrinsic spiritual motivation

谈精神鼓励的意义 On Significance of Spiritual Encouragement