淡雅中国古代四大发明中英文版.pptxVIP

TheFourGreatInventionsofancientChina;1、Papermaking;Papermaking;Papermaking;2、Printing;Printing;Printing;3、Compass;IntheThreeKingdomsperiod,MaJuninventedtheguidecar.SongdynastyscientistShenKuodescribesamethodofmakinguseoftheneedlepointinginitsDreamPoolEssays.Later,itdevelopedintoaneedleandbearingplateintothecompass.InthelateNorthernSongdynasty,thecompasshasbeenusedinnavigation;IntheSouthernSongDynasty,peoplehavebeenusingdialnavigation.Theinventionofthecompass,fortheexchangeofmaritimetrafficandtheeconomicandculturaldevelopment,playedasignificantrole.

在三国时，马钧发明了指南车。宋代科学家沈括在其《梦溪笔谈》中记载了制作指向用的磁针的方法。后来，又发展成磁针和方位盘联成一体的罗盘。在北宋后期，指南针已用于航海；南宋时，已使用针盘导航。指南针的发明，对于海上交通的发展和经济文化的交流，起了极大作用。;4、Gunpowder;Gunpowder;Externalcommunicationofgunpowder

???Inthe13thcentury,gunpowderwaspassedbytheIndianbusinessmanintoArabcountries.TheGreeksknewgunpowderbytranslatingthebooksofArabs.

火药的对外传播

13世纪火药是由商人经印度传入阿拉伯国家的。希腊人通过翻译阿拉伯人的书籍才知道火药。

GunpowderweaponsspreadthroughtheArabcountriesbywar,intheperiodofGenghisKhanwestwardconquest,theMongolarmyusedgunpowderweapons.Inthe1260year,KublaiKhansarmywasdefeatedinwarwithSyria,theArabsseizedtheirweaponsandgunpowder,soastoequipthemanufactureanduseofgunpowderweapons.

火药武器是通过战争传到阿拉伯国家，成吉思汗西征，蒙古军队使用了火药兵器。公元1260年元世祖的军队在与叙利亚作战中被击溃，阿拉伯人缴获了他们的火药武器，从而掌握火药武器的制造和使用。

SomeEuropeancountriesatwarwithArabs,andgraduallymasteredthemanufactureofgunpowderandgunpowderweaponstechnology.

欧洲的一些国家也在与阿拉伯人进行的战争中，逐步掌握了制造火药和火药兵器的技术。;1、Whatarethefourgreatinventionsofourcountry?

Papermaking、Printing、Compass、Gunpowder

2、CaiLuninventedpaper,trueorfalse?

False，becauseCaiLunjustsummarizedtheexperience,improvedpapermaking.;TheFourGreatInventionsofancientChina