极光的形成

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 10:14:12
xXYnIP-6`.34f.PU$QDR"%Q\$qbq(̪/_a^dJ6zfVUFd,/^D滟ߋ8%Cs)ǿ~ͻ~~[+X8E񽞬x޹\}*+~)N.`}컎lA<~#MqKyQ-bX/GD`K9wZCh=e#[1.!$AUxtEĤB3ŢBiX7t%@FٚK,AP-Ji{K;D3IZijuEsbGaT}D`;ve^~اab8ACMFY D2Wdy >9dq, QoA=+b\[[ y)f85={MEITkMzLRln.px֢F[ ;&F@|XjUWWqYoP2 0r{~`?8 jg rAƒܾ@Cюolu:ZEOa,~\faFU.TW%&1ﭩ-GTmV ֧r>݂yqew}فԽݴVo_Ϗ Ujͤy2Q^e 9prB"b30'1֑qh^_d¢\dWdFxaؒqdp6Od^j@xOԹ 8ZPblkkGggYr e6#0hH3J EUh- 9YIi~2;&,nO[Fv0lSu>4p.P#$t3 A֝ѵ4ZlTGy`V]ă,6WאYr %<X.FA{`陆lv 70^pgZmM9xMmfY;qM#-& B3s; ϛ:̡^}JUJQ9eqPpM+T[w98&S.q L rtJ{R2OQhzhhMK4;6yXBPeccC6i1dMAY,j)VvLu͈AĞfpշ:= &DC,fcJSe"i:i,x:SXl'ѐ`ABE^9[g0b,J&&m V>F<1DUՉvVLy!Hv =t9;k9Qo`skۢ0WhP"P՛7XqH ߬M,W 9fw n$MH楸9ӡ:u*_2ڌQ;6`@0%ҍsMn޾z'a6Od/Vkg%^I˟lSN"::avxo;;P7<tU߸偵_ao|ǶdC@l]