֮IJãĬ־ܵ죬ͬޱǿϢ˷
ֻûת鿴˼Ȼ櫵۾ķ˵ǿЩϵķʴģDZֲʲôˣôģĿ̽ԵkǶѾһðˣѱ˿ˬ֡
֮ǰǼð櫵ġߡһ
ȻиǿΪΪģ櫻ţĬðЩߣİȫɲɶ⣬ͲĵǶġ
Ϊ̸ģģǫһ㣬͵һɡ
Ĭôŵġ
ͷԼĽż⣬ֵĺܲۡ
ֻϧΪλķˣһ˽עǵ͵ġ
ȵߺǵ̴ӷ֮ʽʼˣ˵ĿͶͶߡ
һ϶ǿĿ⡣
kǿһ櫣ĿⲢûͣã䵽Ĭֵ˵ϡ
Ӱбһ˿ȣҲͷȻˡ
Ͼߣڳ֮ǻ۶վ綥֮ˣϳɾֻһ뾫ħŮбƽҲʹk˼ġ
ȥ櫴Ƕ֮ˣkߴӣһοȴˣѾǸԵźˡ
ǣҵֶħŮҪת˰
ֻھȵͬʱʵһϲġ
Ͼk֮ԻѡһߵϯλаħŮΪɵǣ
һǣҵĶǿµģΪܶԵkһɱkⱨ㣬ȴû취k
ʱʦЭħŮжʧˣȻҲֻ취˫ìܣԵkѡһϯλаħŮ
ȻһٶʵݺݵĴʦЭţʦ˽ﶼõkЩʵ̫ˣΪֱڶֶħŮͶ
ʵŸԵĿǣʦЭʵDzηֶħŮģkǻкܴİշӡס櫵ġ
ֻܾ˵ĽʵDz㣬ǾǴɱ֮زѾԪ˵֮¡
450.ʦͽ(1/2),һҳĶ