简介:<正>nthenewcentury,howcanthehumanbeingshemoremature?Certainly,science,technologyandthelevelofproductiveforcearcveryimportant,butonahigherspirituallevel,howshouldtheybehaveasrealhumanbeings?Reviewingthehistoryofhumanbeingsfromtheverybeginning,theoriginandthechangesofcivilizationarcfullofthewisdomofthehumanbeings.However,assoonastheweakpointsofthehumanbeings,suchasjealousy,prejudice,pride,haired,selfishnessanddistrustetc.mixtogetherandthentheforcewillspreadandexplode,whichcanleadtoendlessquarrelsanddisputesamongthem.Humanityisweakened,thestrongbulliestheweak,evendisastrousresults:instabilityofthesocietiesandwars.Togetherwiththese,economyisboggeddownanddestroyedandthenatureisdamaged,theprogressofcivili-x.ationencountersdifficultiesoneafteranother.Asaresult,thechainofcivilizationisbroken;cultureandartshavebeenreplacedbyignorance,brutalityandirrationalit
简介:90年代以来,国外轿车正朝着高技术、高性能的方向发展。进入21世纪的国外轿车,主趋势将是系列化、轻量化、小型化、电子化、柴油化。系列化国外各大厂家,都在设法提高零部件的通用程度,以求达到较低成本和较少总成、生产较多系列车型,提高竞争能力的目的,各大厂家尽量将零部件给一些专业程度很高的零部件企业去生产。轻量化国外汽车的自身重量与过去相比较,已经减少了20%~26%。欧洲设计人员预测在未来10年里,轿车自身重量还将比现在减轻20%。当前,减轻自重的主要方法,一是尽量减少零件数量,如新车身骨架的零件数量,由400个减到了75个,重量减轻30%;二是大量采用轻质合金及非金属材料。目前,国外一些厂