c(din)CСʲôQ
߶όW(xu)Ҫо늴ŌW(xu)ġo늈(chng)_(ki)ʼ׃úy?yn)ܶO(sh)䡢x҂?c)ճп?jin)(li)ܳyҲyӛ@ǽڌW(xu)(wn)ҵĆ(wn)}X(ju)úд@ͬW(xu)¡ȁ(li)f(shu)һ(g)(wn)}CĴСQʽP꣨2015߿퉺S}ǻݵĆ(wn)}
(wn)ƽаCĴСʲôQ
o늈(chng)@һ漰CĹʽЃɂ(g)քeǣʽC=Q/UԼʽC=eS/4kd
УC=Q/UӋ(j)㹫ʽʽC=eS/4kdǛQʽ
ʲôӋ(j)ʽأ
҂Y(ji)һ(g)ѽ(jng)о^(gu)(li)(g)(du)һăɂ(g)ʽʽR=U/IԼʽR=l/S
ʽR=U/IӋ(j)ʽͨ^(gu)y(c)UI҂ԷӋ(j)һ(g)ֵ@ӵĹʽ҂Q֮Ӌ(j)ʽһ(g)ʽǛQʽR=l/Sһ(g)赽@(g)ʽ?jng)QģĴСʦѡ(do)L(zhng)lMeSͬQģ(du)һf(shu)ɶ˵늉UֵRʹY(ji)ՓI׃(do)lôȻR@ǛQʽĺx
СěQʽR=l/S҂yCĴСɺߛQйʽC=eS/4kdQwuli.inСCĴСҪ(du)eSͰgxdQ
f¾W(wng)wώ@ģĆ(wn)}ͬW(xu)ǽѽ(jng)оĺ֪R(sh)c(din)ȥһ(g)[
(wn)ʲôo늸Б(yng)F(xin)
𣺰ь(do)wڏ(qing)ȞE늈(chng)(do)w(ni)늈(chng)(hu)늈(chng)\(yn)(dng)@Nڃ(ni)Ҏ(gu)t\(yn)(dng)o늸Б(yng)F(xin)
@(do)wеĴؓ(f)늺ɾͼзֲһ߅늺ɾͼһ߅a(chn)һ(g)^(gu)(li)Eʹ(do)w(ni)̎늈(chng)ca(chn)늈(chng)Уψ(chng)(qing)_(d)µƽB(ti),@oƽF(xin)
(wn)ʲôǜu
𣺜uǸ늴ŸБ(yng)ֵһ(g)^ƫĸЩČW(xu)߀֪@(g)W(xu)^(gu)Ӌ(j)ҲǑе÷(sh)ˣφ(wn)wώPһ(g)
(dng)ȦеSڰl(f)׃r(sh)(j)늴ŸБ(yng)ɣһ(g)ȦЕ(hu)a(chn)Б(yng)ķLjAܷһȦȦˮγɵuһӣ(sh)Hǿģģ҂ͰѴˬF(xin)QuF(xin)
admin ĕr(sh)g2017-09-05
