您要查找的是不是：
- a longitudinal study of aging 对衰老问题的纵向研究
- A longitudinal study of twins. 对双胞胎的跟踪研究
- Kippax S., Crawford, J., David, M., Rodden, P., Dowsett, G. Sustaining safe sex: a longitudinal study of a sample homosexual men. AIDS, 1993. No. 7, 257-263. 王曙光，男同志人群的安全套促进的阶段发展策略-一个干预试点研究报告。云南“中-英艾滋病防治合作项目男同性恋课题交流会”提交报告，2001。
- David, H.M. &Nolan,C.J.& Kenneth,E.S.(2000):A longitudinal study of student attitudes toward computers:resolving an attitude decay paradox. Jurnal of Research on Computing in Education,32(3),325-335. 郭鸿仪（民85）：国小教师科技与资讯素养课程目标之研究。国立高雄师范大学工业科技教育研究所硕士论文。
- In a longitudinal study of leaders who, in retrospect, made the best and most effective decisions, the single quality that stood out from all others was the quality of "thoughtfulness. 在对那些历史上做出了最好和最有效的决策的领导人的长时间的研究中发现，能够与其他事情鹤立鸡群的单一品质就是思考的品质。
- A Longitudinal Study of Mood States among College Seniors 大学毕业班学生心境状态的纵向研究
- Retrospectie analysis of data from a longitudinal study. 回顾分析纵向调查数据资料。
- A Longitudinal Study of Fitness and Activity in Girls Predisposed to Obesity 易肥胖少女健康与行为的纵向研究
- A Longitudinal Study of the Effects of Employees'Perception of Pay Fairness 企业薪酬管理公平性对员工工作绩效的影响
- A longitudinal study of cognition in primary progressive multiple sclerosis 一项对原发进行性多发性硬化症患者认知功能的纵向研究
- A longitudinal cut from the trunk of a tree. 料板，板皮从树干上纵切下的一块木材
- A longitudinal study of nutritional status in peritoneal dialysing patients 腹膜透析患者营养状况的随访研究
- A Longitudinal Study of Starting Grade and Pupils'Development of English Pronunciation 年级起点和小学生英语语音发展的跟踪研究
- A Longitudinal Study of the Memory of Childhood Play of Chinese University Students 对大学生童年时代游戏记忆的纵向比较研究
- A longitudinal study of evaluating the quality of life of esophageal carcinoma patients 食管癌病人不同治疗方式生活质量纵向研究
- Sit JW,Wong TK,Clinton M,et al.Associated factors of post -stroke depression among Hong Kong Chinese:A longitudinal study[J].Psychol Health Med J,2007,12(2):117-125. 叶建宁;邓志宽;帅杰;等.;脑卒中患者早期血清C反应蛋白含量与脑卒中后抑郁症的关系[J]
- The commander made a detailed study of the terrain. 司令员对地形作了仔细研究。
- He makes a rigorous study of the plant in the area. 他对该地的植物进行了慎密的研究。
- She's doing a study of children's speech. 她正在研究儿童说话现象。
- A cohort study is a longitudinal study in which a specific population is studied over time. 群体研究是在一段时间内对特定群体进行的纵向研究（随机取样）。
