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1、复习June1st,2011一.科技英语的特点1文体力求平易、客观和精确，避免行文晦涩、表露感情、刻意修辞等；陈述句多，感叹句、疑问句少。2时态叙述过去的研究常用过去时，间或也用现在完成时；Anisochoricequilibriumcellwasusedformeasuringthesolid-vapor-liquidequilibriumconditions.TheapparatushasbeenusedbyseveralgroupsattheUniversity.论述无时间性的理论部分用现在时。Increasingth
2、eTBABconcentrationdecreasestherequiredpressureforsemiclathrateformation.3词汇方面专业词汇semiconductorpositiveatmosphericpistoncholesterolcardiovascularsupercriticalnegligiblemanuresfertilizerscontradictingconventional专业词汇贡献、预测、确保、可用的、必需的、缺乏、可靠、偏差化工中间体、偶联剂、(重要)意义、(重要)作用、4句
3、式方面1）复合句（长句）注意使用连词，句中用逗号连接。And，although，soasto,exceptthat……,however,2）被动句无主语，要将宾语变成主语。！！切忌使用祈使句和无主句TopreventCa3(PO4)2toprecipitateinNa3PO4solution,chooseammoniumacetateasbuffersolution.3）名词化结构Communicate，communication，communicatingMeasure，measurement，measuring（不同名词
4、化的衍生词，含义略有不同，过程和结果）Estimate，estimation，estimating4）非谓语动词（非限定动词）包括：不定式作主语Toconfirmthereliabilityofourexperimentalmethodandtheaccuracyoftheobtaineddata,thedissociationofmethanehydratewasobserved……Itisnecessarytodo……分词作句子成分（包括主语、宾语、定语、状语等）现在分词作主语：Emittinginfraredraysi
5、sanimportantwayforthehumanbodytogiveoutsurplusheat过去分词作状语：Writteninahurry,thisarticlewasnotsogood.5）后置定语Theerrorintroducedduringthisstepcorrespondstoapproximately30ppmindensity.(过去分词作定语)二.翻译的要点换词性、调词序；灵活自然，阅读意群、不急于下笔Anisochoricequilibriumcellwasusedformeasuringthes
6、olid-vapor-liquidequilibriumconditions使用等容平衡池测定固-气-液平衡状态theuseofahighvolumeofvolatileorganicdiluents挥发性有机溶剂的使用找准中心词，适当增减译：发展了许多分析修正(analyticalcorrections)手段，以消除实际设备与理想设备之间的分歧(departure)。Manyoftheanalyticalcorrectionsweredevelopedtoeliminatethedepartureofapracticali
7、nstrumentfromtheidealone.三.科技语法的功能1常用状语从句一般条件状语从句If/Unless……，itwillnot/itwill限定条件从句：providedthat,onconditionthat,onlyif,incase,solongas,aslongas假设状语从句Beassumedthat……,theassumptionismadethat……,assumingthat……,目的状语从句Todo,inorderto,soasto,inorderthat,that,incase,theref
8、ore……withtheaimof,原因状语从句Because,since,as,for…….，Becauseof,onaccountof,owingto,bedueto，becauseof，Inviewof，by/invirtueof让步状语从句though/although,inspi
