为什么会产生极光?
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 17:40:26
xZ[o#Gv+?exl`x'N$جFԔDDHFEI(/wUu?_w<ٵ7:u.9ۯ|'QT!O"͗o)ߖN(zZe_~|Q*m|U䪁{
p^"穣@8Gաp]-=U\mY!pxrt\t7©j)l91QꃘOQ?(DLxgXwgf'KV^$
uׂ4MmОNLer=̬߄np"{[V
zIV03hAxc|G[oNuiU{d(LNQ|V]ricbXԠT-;V7')2u^vOɛ#> &yA):vT,3yӼ&;1~V^\A0nJT_OZ8G5.bQ-鷸8 R*+9#aZ8A/Z4IK>oɩꤑĤH66pC EFoo (nB;%]ҽT{vGtJ1r喪s.vM!;謊>.vҸ~Dl7 QHIQWcnz79.2 1QkιQof}ttk"yaa&$ŵ
pJv}\@ELCͻ37֙KEذ}c2w-*V-ѹ($w#6./o.jpCkIu\' I]*Vfv8Rxv/w7>/?jogoތ[Fv0-B7, )PoY]2wENj|%m&&zLϢ$$k{aL:9f=~);sOq2be5tC魃]X{yMʽԈT֯55X&kwFhP"gTe -~X=T͍1 vU0 dDWXB:S7Yәkv,aJ^r #a89%fwfؒ~EJ0ooJ%y^S}x4edV>7a"(LY6:(6N x⸀ ^ ű͊j?Mg9{~x \bL tlr,HtVgu~z'/(u^UJk5/\{H<"`!EvO=[[GgL={MO8Vٗ@Rucx( 88c(qB|3E¿A1@#CR3\o~*x0cq '%V\$lY+$J3F4cF-+W,1~rBxR
xlkpt?k|4]I,аЛn1#-4u+bQ{9Q),TXG1{;>Eiͅg(RW
ƛӲ\T3
,!@7sL
o#