}ĿWƼСMһ̖l(f)䡢ϵy(tng).ڌϵy(tng)MМyԇDС·A̎l(f)ؖ|ϷPֱ·Ml(f)̖СAͬrA̎l(f)ϷPֱ·M̖.СٶȞ39ףСAٶȞ52ףǡڳl(f)30֕r̖_ʼ.
1Ƶ̖հl(f)ϵy(tng)̖Ͱ돽̖ޣ
2ͨ^Ӌҵ}Д(sh)(j)cɔ(sh)345(lin)ϵԇЌQ}ĺ㷨.
ĿД(sh)W Դ }ͣ
}ĿoͬW(chung)õxlWУʂ½һLȞLĶȔ(sh)LȣʂɉKлy͛]лyăɷNҎ(gu)СͬεuһDʾҎ(gu)ƴɈD䁝MLȣ֪ÿСεu߅L0.6m
1DʾҎ(gu)һDLL1=mڶDLL2=m
2Ոô(sh)ʽʾлyĵuK(sh)ncȵLLn֮gPϵ
3ȵLL36.6mrՈӋ莧лyDĴɴuĉK(sh)
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ĿД(sh)W Դ }ͣ
}Ŀ1DABCDAEFcEF(xin)քeBCCD߅AGcε߅LȣEAFĶȔ(sh)
2DRtABDBAD=90AB=ADcMNBD߅ϵcMAN=45ABM@cArD90ADHλBNHԇДMNNDDH֮gĔ(sh)Pϵfɣ
3ڈDBBDքeAEAFcMNEG=4GF=6BM=3AGMNL
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ĿД(sh)W Դ }ͣ
}Ŀ峯ʵ҇vʷό(sh)WdȤĵl(f)F(xin)Ĕ(sh)Wһġeɷ߅L345(sh)ֱΣ֪e߅L@һ}˽ⷨOߞe(sh)eԷe֮ƽ_֮Ô(sh)ԹҸʳ֮ù֮(sh).ìF(xin)ڵĔ(sh)WZԱǣֱε߅Lքe345(sh)OeStһ mڶ
kքe345k߅L.
1eS150rՈÿġeɷ@ֱε߅L
2Ceɷ_ԆՈC^.
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