清华大学开源软件镜像站，致力于为国内和校内用户提供高质量的开源软件镜像、Linux镜像源服务，帮助用户更方便地获取开源软件。本镜像站由清华大学TUNA协会负责运行维护。

ChangchunGlitterOpticsCo.,Ltdcandothedesignandprocessingofopticalcomponents.Themainproductsarelenses,cylindricallenses,sphericallenses,toriclenses,asphericallenses,prisms,mirrors,windows,wedges,filters,andsoon.Glitterhasaprofessionalteam,advancedtechnology,specialequipment.Wecanmanufactureaccordingtothecustomers

ChangchunRuikeOpticsCo.,Ltdmanufactureanddesignopticalcomponents,weestablishedinyear2023,themainlyopticsinclude:sphericallens,asphericlens,cylindricallens,balllens,opticalmirror,prisms,windows,filter,sapphireglass,lasercomponents.wehaveadvancedmanufactureandtestequipment,themainlysizeisfrom0.6-550mm.Weoffertopqualityoptics.

HTTrackisaneasy-to-usewebsitemirrorutility.ItallowsyoutodownloadaWorldWidewebsitefromtheInternettoalocaldirectory,buildingrecursivelyallstructures,gettinghtml,images,andotherfilesfromtheservertoyourcomputer.Linksarerebuiltrelativelysothatyoucanfreelybrowsetothelocalsite(workswithanybrowser).Youcanmirrorseveralsitestogethersothatyoucanjumpfromonetoanother.Youcan,also,updateanexistingmirrorsite,orresumeaninterrupteddownload.Therobotisfullyconfigurable,withanintegratedhelp