近100年的重要发明有哪些?20世纪的……不用太多,不用简介,只要说是什么就好了……

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/09 11:32:42
xYN#~LZ%nfZ%"EJүh&P\70 \42}NSB>0)\{>|[w]Y^aOx[ۤtVD1JW]cJ ~2k8VRTʉm J_aGgd:uo:q]=߾R w~U+!1E 2>QoV6V7V}gʵ8P!퉴kdJ ^i ^'ZX&M7z'sn} 6`H(K+aO ݶNx,#"Gd(vNXgdwd.q/Q;ișLs+axE %; FpU1d.Ty?s:E9/9#xTUlFcԹbk:nPh` d~sCwZp̈́8.Qi#zyt;qBސus_/(l,#B4_{q@>Yol2IӦI^ģ6qlG/lMnMc"MJc`*q,njmR(.XӱL@] (vռ^R{?]Ǣol8%ki0BetW??ÿ~'XS(1Qypå=-6ϽS _V 3e\wOy}@iSԶȍ\+M 9H'US,po>|tug dF¶cEkExL4>:6U5(ٛ}XPԽ|CgcD Kqg7^Ti Sb-_z ,⡴9g1@F? lx %ebYܭ)OU9#ZaL0Js[}vcO5 ,"鶻vQP47c|HA58`hp&ssۿ_[p<0U̿8qإríNq6ȮܲWcgbdeMO`Sq@ݱc xf4^q!pХVYo'k0M; P/ S,y >(׽-),<ّ+#bV_Zxd 뇲`>e"MʺY7C ӟУR6S "FI%90I8]{»qj-G9JH9sr f\mg^Sg6d5!bZaF)ئt&U/02kv^sdԳ@?}YnE|00Dja܊qBe`oa4Θkm!OfqW.els޾c"tٝcU}"+Վi7cUd'2*trgZbG3nknÜ,k=8;w6G ꕏ dU/t41Blv0A%_K-|*h$ [ɒjBVhJtJ_psi Q;>Ov'?OϹ=!c@"EC9.^&yBI _YZppk)5Dhżk>TL|nLAj࿂ɭ'6]@ 3!d_kg݅?50AjɁZ!yu!}x+Z02Or"+jWXF2+#6Uk| ;PQq:Ž Q%m78}\y*'56OB>c1ʽMȯt~= FV ;T!=13א^g1onh͚݇ s|(ΊAr^ع՞V2U oF;J1>#X ҂ ^p5x }_*]zF%/p/6Hkf9eý$eq($|m_h`P ?ރ|=W26g!Y-ٜrˠ&(y`LL@g Oz'99:UWE_#EoʂJ"{xPԎrgM,MxZhWDJ>GFඊ %*rSǓ>" :nAB mSE;s,Gs0a#ɐ]mP4vtr+(Ms 0߳0 ZC\K#;Q&L%?}~by/ .`#6Yl s]KbVoa t|9-r2Pc_h)ŁrMlӿkm8.]Dmo!k:9SPn?$nܺ]@.B8VV_Lw/i.jAg8_@'Kʵͼ)<̑(ّ#?2$'O;uDޱo4 ? S/팺mTk$U2YE۽uFWLY;pk8m>/(͗2U#3_z@[R=lZ۪~_ySֵ3