study n. 1.用功,勤学;〔常 pl. 〕学习;研究 (of); 研究对象;研究项目;值得研究的问题;学问,学业,学科;专题论文;调查。 2.书房,书斋;研究室;(个人)工作室。 3.〔古语〕沉思默想。 4.试作;【美术】习作;【音乐】练习曲。 5.【戏剧】背台词;读台词,背台词的演员。 His face was a perfect study. 他的面孔真有意思。 To write correctly is my study. 我的努力目标是写得正确。 a quick [slow] study 台词记得快[慢]的演员。 quit studies 罢课。 in a brown study 呆想,默想,深思。 make a study of 研究。 vt. (studied) 1. 学习;研究;记诵(台词等),练习。 2. 用心,考虑,图谋;注意看,仔细端详。 vi. 用功,学习,练习;研究;努力,留心;默想。 study sb.'s face 仔细端详某人面貌。 study one's own interests 图谋自己利益。 study to avoid disagreeable topics 努力避免不愉快的话题。 study to wrong no man 留心不误伤别人。 study for the bar 为了预备做律师而学习。 study one's part 【戏剧】记诵自己的台词。 study out 想出;解(谜等)。 study to be wise 努力学聪明。 study up 用功预备(考试等)。 study up on 〔口语〕认真研究,调查,考查。
Prevalence of mild cognitive impairment : a population - based study in elderly veterans 军队干体所老年人轻度认知功能损害的患病率调查
Confirmation and estimation of risk in population - based studies has been inconsistent and more problematic 基于人群的研究,对于风险的认证和预测还存在矛盾和很多的疑问。
Finally , large population - based studies suggest that obesity is a risk factor for chronic migraine after adjusting for comorbidities 最后,大样本人群调查显示,经校正后共病者,肥胖是慢性偏头痛的危险因素。
Methods . data of a dutch population - based study were used , limited to persons 25 to 64 years of age ( n 2517 ) . data were collected by a postal questionnaire 方法:采用荷兰人群研究数据,对象年龄范围在25 - 64岁之间,总共2517例。数据通过邮递问卷形式采集。
" in conclusion , in this prospectie , population - based study , we found that measures of generalized atherosclerosis predict the onset of atrial fibrillation in persons without obious coronary heart disease , " the team writes 小组写下: “结论是,在这个预期的基于人群的研究中,对于无明显冠心病的病人,一般的动脉硬化测评可以预计房颤的发病。 ”
Comment : the results of this population - based study confirm those of previous studies that found an association between multiple doses of antibiotics and development of childhood asthma and provide yet another reason to avoid unnecessary use of antibiotics , particularly broad - spectrum agents 评论:这个人群研究的结果证实了之前研究的结果:发现了多倍剂量的抗生素治疗和哮喘发病之间的关系,为避免使用不需要用的抗生素提供了又一个理由,特别是广谱抗生素。