【#第一文档网# 导语】以下是®第一文档网的小编为您整理的《英文摘要中语态和时态用法》,欢迎阅读!
编号:
时间:2021年x月x日
书山有路勤为径,学海无涯苦作舟
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英文摘要中语态和时态用法
医学论文中,一般少用第一人称和主动语态,多用第三人称和被动语态,用以体现叙述客观事实。所用时态需与事情发生时间一致,叙述基本规律时可用现在时,叙述研究对象、方法和结果时,用过去时。举例如下。
Objective:ThepurposeofthisstudywastodeterminewhetheraninhospitaltransportableCTscannercanprovidediagnosticbrainimagesandtocomparethequalityoftheseimageswiththosefromaconvertionalfixed?platformCTscanner.
SubjectsandMethods:Twentysevenpatientswithknownorsuspectedintracranialpathologyunderwentimagingonatransportablescannerandafixed?platformscannerwithin1hrofeachother.ImagesfromeachCTexaminationwereevaluatedindependentlybytwoneuroradiologistswhowereunawareofpatienthistory.Conspicuousnessofintracranialpathologyandnormalanatomywereratedona5?pointscale(1point’’’’optimal;5points’’’’poorornotvisualized).Statisticalcomparisonsweremadeusingnonparametrictests.
Results:SevenCTscanswereinterpretedasshowingnormalfindingsand20scansrevealedintracranialpathologyonbothCTscanners.Imagequalitywashigheronthefixedscanner(averagerating’’’’2.42points’’’’SE=0.12)thanonthetransportablescanner(averagerating’’’’3.10points’’’’SE=0.12(p=0.001).Depictionofthecerebellum’’’’midbrain’’’’andsupratentorialgray?whitematterwasbetteronthefixedscanner(p
<0.05
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编号:
时间:2021年x月x日
书山有路勤为径,学海无涯苦作舟
页码:第2页 共2页
=.However’’’’wefoundnosignificantdifferencesindetectionofintracranialpathologybetweenscanners.Bothradiologistsfoundimagesfrombothscannerstobediagnosticinall27patients.
Conclusion:ImagesofthebrainonthetransportableCTscannerwerelessclearthanthoseonafixedscanner.However’’’’imagesfromthetransportableCTscannerwerediagnosticin27consecutivepatients.TheimplicationsofthisfindingareimportantfortheprovisionofCTservicesforcriticallyillpatientswhocannotbetransportedtotheradiologydepartment.
上面是AJR(美国放射学杂志)中一段完整的英文摘要,从中可以看出其特点:①用词简练、准确;②时态为过去时;③不用第一人称,多用被动语态;④方法和结果中强调统计方法及数据。对母语非英语的作者来说,撰写英文摘要的质量好坏直接与作者的英文水平有关,在这方面,只有多阅读英文文献,才能提高英文写作水平,从而写出高质量的英文摘要。
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