ƽr(sh)(x)и Щ?ͬW(xu)?c)ƽ?f)(x)и ĕr(sh)һҪҺmķUһҪЧУС͞?gu)Nƽr(sh)(x)и ͬW(xu)Խbʹ
M(jn)и ƽr(sh)(x)҂]M(jn) ^ Ϻ俼ͬW(xu)Ԍ(du)´M(jn)пY(ji)Ҫ иϵÿһ(g)(x)(ji)ҪץסfԒ˵˼·Ϳ@(g)Ӗ(xn)(du)и P(gun)Ҫ(x)ķҲܺΣи еlectureһ߅ һ߅ӛPӛY(ji)(j)XӛPӛ(du)ȫc(din)(ni)ӢM(jn)Џ(f)@ӷ(f)(x)ֱԌһƪlectureȫ(f)ֹ
и ұ^ҊһN(x) @Ǵұ^Ϥľ(x)Ҳ(du)f(du)п֮ЧһNnjһƪи еԭȫ һһz Чķ(du)ڜ(zhn)иԇĿԣõ иlecture]part 3 93ƪ£(du)ڻA(ch)ͬͬW(xu)xmԼˮƽIJM(jn)о(x)и ͬr(sh)oһЩLƪĶ (x)
(x) (du)κһNӢZԇfٲ˾ @һh(hun)(ji)ԓô ?䲽E£һ߅ һ߅ ԭģԼJ(rn)R(sh)R(sh)(yng)^~;Y(ji)_ʼ~ԭĵ߅ֻҪ@(g)~@ƪе˼;Ȼ@ƪϮ(dng)x¿پxһ飬ص;һ߅ԭһ߅Ҫx(f)ױ飬һֱ Բԭďص ֹұ^õSSS(Scientific American’s Sixty-second Science)dzϢܴǺܺõľ(x)ϡ
(du)fԼIJM(jn)(zhn)(x)俼и (zhn)ԵIJ@һW(xu)nnF(xin)ںܶW(xu)ѽ(jng)S_nn˻(lin)W(wng)@һ(g)Oѵ(zhn) yȵIJǰʺKaplanϵԇ}xûDELTAϵԇ}ͨ^׃ܛ2ف@Ӿ͕(hu)ԽԇymȻ^ʹ״øyIJϾ(x)ȥ ľ͕(hu)^ Ҳкܴ
ҪB(yng)r(sh)r(sh)ڿԇĸXr(sh)r(sh) ӢZĸXҲҪԼ(chung)һ(g)Ӣĵĭh(hun)糿һ҂ʹ_䲥ӢZи ӢďVҲһӢӰ@ĺ̎Sr(sh) ӢZڝĬв֪Xؼ(du)ӢZжȣB(yng)Z@һ(g)^Lڵ΄(w)(du)ڂ俼r(sh)g^LͬW(xu)ǺͿxõķ