简介：Stamp-collectingisaveryinterestingusefulhobby(嗜好),YOucanlearnmanythingsaboutgeographyandhistoryfromstamps.TodaymorepeoplecollectStampsthaneverbefore,andspecial(特殊的)stampsareoftenprintedforthepeople.Ifyoubuyanewstampandputitonanenvelope(信封)onthefirstdaywhenitissold,theenvelopemaybeworthalotofmoneyinthefuture.

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简介：冬季奥运会又称为“白色奥运”。1932年第三届冬季奥运会在美国举办时，第一枚纪念冬季奥运会开幕的邮票诞生了。从此，每当举办冬奥会时，为其发行邮票成了一个不成文的规定。

简介：冬季奥运会又称为“白色奥运”。1932年第三届冬季奥运会在美国举办时，第一枚纪念冬季奥运会开幕的邮票诞生了。从此，每当举办冬奥会时，为其发行邮票成了一个不成文的规定。

简介：OnJuly20,2002,theStatePostalBureauissuedasetofthreestampspicturingtheQinghaiLakeshore,BirdIsland,andthedistantview.LocatedonthenortheasternQinghai-TibetPlateau,inWestChina’sQinghaiProvince,QinghaiLakeis3,196metersabovesealevel,andthebiggestinlandlakeinChina.Oilshavebeenusedtocaptureitsmagnificence.BirdIslandonQinghaiLakeisa

简介：邮票一般都标有邮资，可是，美国却发行了一种无邮资的邮票。更使人惊奇的是，美国还发行了无图邮票。让我们看看这到底是为什么?

简介：Amechanicsmodelisdevelopedforthecontactradiusofstampswithpyramidtipsintransferprinting.Thisisimportanttotherealizationofreversiblecontrolofadhesion,whichhasmanyimportantapplications,suchasclimbingrobots,medicaltapes,andtransferprintingofelectronics.Thecontactradiusisshowntoscalelinearlywiththeworkofadhesionbetweenthestampandthecontactingsurface,andinverselywiththeplane-strainmodulusofthestamp.Italsodependsontheconeangleandtipradiu...

简介：ＤｏｃｕｍｅｎｔＳｔａｍｐｓｏｆｔｈｅＴｉｂｅｔＧａｘａｇＧｏｖｅｒｎｍｅｎｔ￥ＬＩＲＯＮＧＨＵＡａｎｄＹＥＹＵＳＨＵＮＴｈｅｄｅｓｉｇｎｏｆｏｆｆｉｃｉａｌｄｏｃｕｍｅｎｔｓｔａｍｐｓｍｏｓｔｏｆｔｅｎｒｅｖｅａｌｓｔｒｏｎｇｌｏｃａｌｆｌａｖｏｒ...

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简介：OnJuly30,2004,theStatePostalBureauissueditsfirstasymmetricalperforatedstampintnbutetothepopulartaleofhowtheEightImmortalsCrossedtheSea.TheEightImmortalsarethemostimportantfiguresinChineseTaoistmythology.Eachcarriedwiththemamagicalobject:adrum,afan,asword,agourd,abambooflute,castanets,abasketofflowersandalotus.Wherevertheywenttheyhelpedtheweakandpoor,punishedevil-doersandencouragedpeopletodogood.Immortalitywastheirrewardforsuchgooddeeds.

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简介：Inordertounifythenationwidepostage,in1909(thefirstyearofEmperorXuantong'sreign)theQingDynastysentDengWeibing,apostalpatrolofficial,toTibetfromBeijingtomakepreparationsforthelaunchofTibetanpostage.Inigio(thesecondyearofEmperorXuantong'sreign),theQingDynastysetupapostalheadofficeinLhasa,