什么叫"张力"?

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/06 13:07:00
x}X[vHJP]f-3 Sgz2RN߉Cx6H"2 Q;WueQ (f/ VX#KPol]FVŸ5loBfD9pK0|vG旁_gޮ i9mDݯ"6)10d^M5%Rz '?}&J*|Em D$Z58M#o\"}vxXr|7{@<WXb&{=LU\HLkjfg?g, 912ϰ95W71x`I0nL( *oq?tl,`(dOw U}ē3kٹni▪q#t}q8lY̆OWEX  $_m.R8ȈBT pQ0NJϝRxn?c8ATx L&-vm<㐊}WpN<]#3>Th'Xe`}oP"39XNZ:Q81v[,W55uS%mձɋ* =x3NT&n`lhM0; [UVOeBB$vCWMΛxGGj,-\0u,wR?߻iҮ!*F*XA 6(NG] Fc:9Ml]#;5ᴏΔ o c3!A;#;20$X^v,^ i(eÉ 6^uZ v;XI_؛ޑjCIJ҄ fJa; >:CZsHOɉ-=$ݾǃm5 +ERyhqUЈ>Qʫ~V-? 1 nD1-F'oʰ>uAo^YdRT8^d9/h`8oj缸n&KoLI॑Rl/KJ5)ڈ;#nSɊlJ*j*9H{01-UR5]xSWZ#m[l,^;zs&{gWY*;AJA J/: @ҍ%uw@si~.qWlF;fe1X,d2`U^bo7X" ]jY랜_*ÿ"_!c/hZ$vy12OtͲ_.zN1KBւ#%*;D( c"䜨]@ͮt֨- fzӋˀJͳM{_%[:լ|+ (o+baZ [ڟ QJhH"zLe-1NAD 7'u{kcT &\a7wHqrq+3U &&b\2\|sKzS&ͷ7]ɨ &tшM8gymbB7:|Ɨ6\bKJg6ܾ8|A(ˇ#:nUF`SmoHrnɩ/(f_2-_w5NI|^]abS'~X%a` j#cU2q7:bÌ r nXT|zʲt莵_3R,K]>0<2 \%x5ܬ m$ xâ' ~+