Lesson-Six...ppt

LessonSixHorizontalAngleMeasurement,班级：13工测2014.5,LessonSixHorizontalAngleMeasurement,NewWordsandExpressionsobtain/btein/vsth(forsb)取得某物;（经买借拿等）获得,得到某物:WherecanIobtainacopyofherlatestbook?在哪里能买到她最新出版的书?Healwaysmanagestoobtainwhathewants.他总是有办法得到他想要的东西.Iobtainedthisrecordforyouwithdifficulty.我好不容易为你弄到了这张唱片.obtain.from从.中得到,LessonSixHorizontalAngleMeasurement,constitute/knsttjut/v(不用於进行时态)(fml文)组成,构成（某整体）;为.之成分:Twelvemonthsconstituteayear.十二个月为一年.Thecommitteeisconstitutedofmembersofallthreeparties.委员会由所有三个政党的成员组成.target/tgit/n目标;靶;目的;Productionsofarthisyearison/offtarget.今年到目前为止生产已达到未达到指标.Theembassyisanobvioustargetforterroristattacks.大使馆是恐怖分子攻击的明显目标.,LessonSixHorizontalAngleMeasurement,level/levl/n水平线;水平面;（尤指）水平高度:1000metresabovesea-level海拔1000米Thecontrolsareateye-level.控制仪表盘为视平高度.（测量的）数量,强度,数值等:thelevelofalcoholintheblood血液中酒精的含量（官阶等级权威等的）级别,水平:high-/low-levelnegotiations高级别低级别的谈判.水准器roughfinder粗瞄准星face-left盘左的faceright盘右,LessonSixHorizontalAngleMeasurement,view/vju/n视野;视场;眼界:Wecameinviewofthelakeasweturnedthecorner.我们转过弯就看见那个湖了.Shewassoonlostfromviewamongthecrowd.她很快就在人群中消失了.inviewofsth鉴於;考虑到:Inviewoftheweather,wewillcanceltheouting.因天气关系,我们要取消此次郊游.onview陈列着;展览着:Ourentirerangeofcarsisnowonviewatyourlocalshowroom.我们各种型号的汽车现正在贵区陈列室里展出.,LessonSixHorizontalAngleMeasurement,instrument/instrumnt/n器具;器械;仪器；乐器ashipsinstruments船用测量仪器learningtoplayaninstrument学习演奏乐器bubble/bbl/n（液体形成的）气泡:soapbubbles肥皂泡Childrenloveblowingbubbles.儿童爱吹泡泡.,LessonSixHorizontalAngleMeasurement,error/er(r)/n错误;差错；想法或行为的错误;（计算等的）误差spellingerrors拼法错误acomputererror计算机错误printerserrors,iemisprints印刷错误.Theletterwassenttoyouinerror.此信误送给你了.anerrorof2percent百分之二的误差.,LessonSixHorizontalAngleMeasurement,TranslateSentencesBasically,thedifferencebetweenthereadingobtainedfromsighttotwotargetsconstitutesahorizontalangle.一般来说，照准两个目标进行的读数之差（形成的角度）是水平角。Setuptheinstrumentoverthepointtomakesuretheinstrumentbeperfectlycenteredandthebubblealsointhecenterofthelevel.在点上架设仪器，确保仪器精确对中，且水准气泡也居中。,LessonSixHorizontalAngleMeasurement,Thetripodisdesirablyplacedinsolidgroundwheretheinstrumentwillnotsettlemuch.要求把三脚架放在仪器不会大量下沉的坚实的地面上。Beforesettingupthelevel,theinstrumentmanshouldgivesomethoughttowherehemuststandinordertomakehissight.在安置水准仪前，仪器操作人员应考虑一下他必须站在哪儿施测。,Less