�鳧
23,,,ʲôʵĹ...
ԴλǰǰҪһҴ˾㿴ĶԲԣΪ̫ΪԼƤӲУȻԼҲûһôнˮĹֻÿ첻ô۵Ҳû£̫ˣֻ̫࣬ҪԼıְͺˡĹңΪҾ
֮˭??
֮ -- ڸ 飺 Charles K. Kao 1933 11 4 ѧ Ӣ ѧ ѧ ʿ (195...
̸̸ŷɰ OSB??
ҬOSBʽľΪԭϣҬOSBȽʯװϸϾװʹƽװǿͬʱҲǿ...
ûιʲôʱľ - ʱش
ûιʲôʱľûιʲôʱľѡûʷ֪Ŀǰʲô֢״ҪҽԺм...
ǰͷ,ҸXXɻ,ʱ,˫ֱ, ...
ҸXXɻʱ˫ֱָۣҸզã˲мݼĽȷ⳥õѯ
λ֪١ͭϡﯡѡ㡢Щ2005...
ϡΪʯīκ˼˶кԪصĿƼ,,Ļекܴ,Ҫڸֶģ£ܺͼĸ档 ɫϽӦ,...
廪ѧڳƴѧԽԽ,ϵͳھڲ...
ΪʲôڻдѧԽԽ뷨أҪԭǴѧУôѧıӡݽͳƣ1978ֹ2022ҹѧҵܼ1.43ˣбƼѧҵԼ7505ˣռҹ˿ڱԼΪ5.4%רƱҵԼ6817ˣռ˿ڱԼ4.9%ݿ
ͨʲô?ѡ...
ͨʲôѡ̸̸̣һЩΪʲôҪ룬Ҫ뼸磿 - ì...
pythonеıհô?
ƫC99Ҫؾֲ䣬(Ⱥšֵ) Ұָ룬Կ Cֻrsp-=ջ֡size,0..�̡new ռڴ治...