英语毕业论文摘要的时态是过去式还是现在时

标题是————TrycommentingonearlyHanDynasty"rehabilitation"policy摘要是————QinChaolastyearsofadynastyorreign,

Pickto:thesurfacefluctuationdegree,thatis,thedegreeofsurfacereliefandchangefrequency.Ittoregionalpro

Inordertorealize/achieve/acquire/accomplishitsexpansion/enlargementafterFirstWorldWar,Japanhasinstit

你的译文还有很大进步的空间.首先你的汉语逻辑就有点小问题.篮球职业化,nba的影响是我国篮球市场火爆的原因,姚明只是推动了这个火爆.TogetherwiththeinfluenceofNBA,thei

希望能帮助你,翻译如下：[abstract]Thepublictransportationstationsignadvertisementbecomesoneofoutdooradvertisingd

Thezincishumandemandisoneofthelargestnon-ferrousmetal,widelyusedinaerospace,automobile,shipbuilding,

去淘宝找，这种小段落，一二十块钱就能搞定。

CharactersshapedbyYuHuaaremostlysomenobodieswhocanbeseeneverywhereinlife.Throughanalyzingthethreeful

SiegeisaclassicsintheHistoryofModernchineseLiterature.AstothecallipygainSiege,mostreadersandresearch

你好,首先强调下,我不收取任何费用,我直接给你贴上来,当然有些专业词汇不是太懂,稍微查了一下,给你翻出来了,有问题可以再讨论,帮你修改.免费!Abstract:Theacademestillholds

【Dialectorproverb,asalanguagewithdistinctivegeographiccharacteristcs,isaproductofthelifeandcultureof

Abstract：AsthepopularityoftheInternet,thenetworkbuzzwordsfilledwithcyberspaceisalsopopularinreallife

WebpostingsstartedadvertisingisinrecentyearsbytheInternetstartedanddebutanewInternetadvertisingforms

过去式的吧

Hisfaceturnedred.

Asmathematicsreform,howtoscientificallyandeffectivelycarriesontheclassroomteaching,giveplaytotherole

Theaccountingoversightasaformofsupervisionoreconomicactivities,isapartoffinancialsupervisionsystem,i

一般过去时现在完成进行时might的语气更委婉些

Althoughtheresearchanddevelopmentofsoilnailingtechnologyhavealreadyenteredthematuralstage,thesupport

Privateenterpriseisanimportantforceinthedevelopmentofeconomy,butprivateenterprisehumanresourcesmanag