W(xu)lՈSW(xu)IJأ(ni)ČW(xu)ѽ(jng)y£ֻҪҝMՈW(xu)lYՈW(xu)(x)ô֪ķW(xu)lʲô?ՈW(xu)ķЩ?
W(xu)lʲô?
ՈW(xu)lg18q28q;ֻҪӢZֱՈTʿͲʿ(jng)l߀Ҫ7f10fĴ߀Ҫw]зӛ@Щǻl
㶼MlͿՈȥW(xu)ՈҲһġȜ(zhn)IJoW(xu)Ո;Ȼ;֪ͨkoպCICƱȥ
ֵһkȥCҪʾ500W(xu)rķZC
ԼҪ(j)ԼҪՈČW(xu)УwҪó֜(zhn)
W(xu)Ո
1.x
]W(xu)֞ɷNr1.(dng)ꄂȡx;2.̎ڮI(y)ݵx
W(xu)ʽ߶ͨ^D(zhun)W(xu)ֵķʽM(jn)W(xu)W(xu)(x)
2.(yng)îI(y)
(yu)ݣ(yng)ܷgӭԸ(j)W(xu)(x)(jng)vI(y)뷨W(xu)P(gun)I(y)W(xu)(x)
W(xu)ʽ1.23ƴڴW(xu)I(y)x꼉^(q)eġڴW(xu)һx500W(xu)rZӷZԇͬrՈW(xu)@6µ@ÌW(xu)λđ{kCՈӷ^W(xu)ČW(xu)(x)
һAΌW(xu)ZM(jn)W(xu)I(y)W(xu)(x)(zhn)ͨ@AΞ1W(xu)((j)W(xu)1W(xu)ꌍHnrg8)gW(xu)(yng)ԓՈW(xu)ʽI(y)עW(xu)УՄԇYuʽQǷȡ
ע헣D(zhun)I(y)DZ^yʹD(zhun)ҲҪĸ꼉xڴr£һĿD(zhun)ƷdzyD(zhun)ĿһЩ
3.vîI(y)
ע헣hgҪ̫;W(xu)ՈxI(y)c(jng)vP(gun)ČI(y)W(xu)УcI(y)P(gun)x꼉
(j)gc˸߿Կ?x)vôgòҪ^ʮߚq;Ҏ(gu)ԺУI(y)ȡңԿһҪõđ{ſՈ;ҹҪͨ^߿҇˽C(gu)ȡſՈ
W(xu)ͬǰķһՈ˵ZI(y)(jng)ںηN͵I(y)x꼉Ӱ