old-age factor 年龄老化因素
Objective To study the effects of old age factor on vision function and find out the longitudinal regulation of vision function.
目的研究年龄老化因素对视功能的影响，揭示视功能的纵向变化规律。
But the factor Vaillant returns to most insistently is the powerful correlation between the warmth of your relationships and your health and happiness in old age.
但有一个原因是范伦特极为迫切揭晓的，那就是老年时期的人际关系、健康指数及幸福指数的密切关联。
Conclusion Age is a risk factor for death of severe pneumonia in old people and sufficient nutrient-supporting treatment can reduce the mortality of severe pneumonia.
结论年龄是老年重症肺炎患者病死率的危险因素，充分营养支持治疗可降低重症肺炎患者的病死率。
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