简述丝束开松比计算方法
1) 输送辊的线速度可以比滤棒生产速度提高一点, 但递增量不大于 5%
2) 后螺纹辊的线速度可比滤棒生产速度高 25%? 35%,但最高不超过 45%,递增量和丝束带的拉伸开松要求有关。
3)前螺纹辊的线速度和滤棒生产速度相等。
4) 开松比计算公式如下:开松比 =后螺纹辊转速 / 前螺纹辊转速。
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翻译:algorithm
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Inwhatseemsliketheprehistorictimesofcomputerhistory;theearth’spostwarera,therewasquiteawidespreadrumorthatcomputerswouldtakeovertheworldfrommanoneday.Alreadytoday,lessthanfiftyyearslater,ascomputersarerelievingusofmoreandmoreoftheroutinetasksinbusinessandinourpersonallives,wearefacedwithalessdramaticbutnotlessforeseenproblem.Peopletendtobeover-trustingofcomputersandarereluctanttochallengetheirauthority.Indeed,theybehaveasiftheywerehardlyawarethatwrongbuttonsmaybepushed,orthatacomputermaysimplymalfunction.Obviously,therewouldbenopointininvestinginacomputerifyouhadtocheckallitsanswers,butpeopleshouldalsorelyontheirowninternalcomputersandcheckthemachinewhentheyhavethefeelingthatsomethinghasgonewrong.Questioningandroutinedouble-checksmustcontinuetobeasmuchapartofgoodbusinessastheywereinpre-computerdays.Maybeeachcomputershouldcomewiththewarning:forallthehelpthiscomputermayprovide,itshouldnotbeseenasasubstituteforfundamentalthinkingandreasoningskills.
37.Accordingtothepassage,theauthorwouldprobablydisapproveof__________.
A.investmentincomputers
B.completedependenceoncomputers
C.double-checkoncomputers
D.theuseofcomputer
38.Intheauthor’sopinion,peopleshould__________.
A.bereasonablydoubtfulaboutcomputers
B.usecomputersforbusinesspurposesonly
C.substitutecomputersforbasicthinking
D.checkalltheiranswerswhenusingcomputers
39.Whatissuggestedinthispassage?
A.Computerwon’tchangeourpersonallives.
B.Computercancreateunforeseenproblems.
C.Computerhastakencontroloftheworld.
D.Computercannotaffectourbusinesses.
40.Whatisthemainpurposeofthispassage?
A.Tolookbacktotheearlydaysofcomputers.
B.Toexplainwhattechnicalproblemsmayoccurwithcomputers.
C.Todiscourageinvestmentincomputers.
D.Towarnagainstamentallylazyattitudetowardscomputers.
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