列举二十世纪六七十年代我国取得的科技成就如题.

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 21:43:22
xXIO#I+>uKṰ/e6Nް fb;MQNo%tS^FdUSK_FPf[x- `j[IJA^Zgiۃ0^ixeND|24-҆ln͠gQc9..翞S7[tb)5ʘ=QB=O7=xhX Sn3@*3g0$c`[<9Gy5+J㸴j9` \7D1) ,$c[MۊŒ=hlQ y[7,HL uUevFF-/. Shݲ1r=mR{9 h*ͥ+})M;N_H"dnPTcRVɻ=I?jر:j i܀ț20eIǂ^av_weM TR0l+'Y'T>jo?~`p&Xϐ"[[H:wҒ#Cbi9P< -:(8NVzem&*qZ:5]%bQ>!Ϸ!uD~gp]kxfaAbQ83u8E5yy]y=]]a{V2gFC^2NiO}D=IcJ0LT#dO*2ۂK1!lYXDTܝ$F}tNe4xItHfZzbٶf1`S' #9:/ s}pOf{`QSNxqVc-jVku!;ϗ=n6 # Bh|#N|su+gPQ|Hٽo<i}j%|/t"xuB 7EmJ2 N8f4 =lH^ ^s>`ezg`#أ6SQ ='3DIDXUgl QZ(MRڣ\hE/ Ov"7(v2QL{QJ ptZDpX`M5TMHkp88`J3Kr=nLK%"-(Ϝf=f_g >k e^*̄Lw|KힵXfY*6PZ?h(r&a&vNrvGlh&-Iayܭ>2$6`ft^pt绗̙^|e6ޏ~&.'hBp?sJdĵ*KHy׏%JmGwsWكeZDxށ7pVnט﹗ MK8T?Ѿ<qāZo}nL:e튽k(Ieyugv[O<ĭnyTi~vpXL"G'F#1({Izu^&N z=n.2T(?R[ѫ2|]DzWZ^ nHм'OLz"Ciw>;ȕ3uDb bSm5# o~/Em8H_zQ𫱠 טB~#q]M7+-8|Um ~8Dt; jR~}}=VTwʗȿerxMm1aCɡHreKk7779\_