ƽr(x)и Щ?ͬW(xu)ƽ(f)(x)и ĕrһҪҺmķUһҪЧУС͞?gu)Nƽr(x)и ͬW(xu)Խbʹá
Mи ƽr(x)҂]M ^ Ϻ俼ͬW(xu)Ԍ´MпY(ji)Ҫ иϵÿһ(ji)ҪץסfԒ˵˼·Ϳ@Ӗ(xn)и P(gun)Ҫ(x)ķҲܺи еlectureһ߅ һ߅ӛPӛY(ji)(j)XӛPӛȫc(ni)ӢMЏ(f)@ӷ(f)(x)ֱԌһƪlectureȫ(f)ֹ
и ұ^ҊһN(x) @Ǵұ^Ϥľ(x)Ҳfп֮ЧһNnjһƪи еԭȫ һһz䣬 Чķڜ(zhn)иԇĿõ иlecture]part 3 93ƪڻA(ch)ͬͬW(xu)xmԼˮƽIJMо(x)и ͬroһЩLƪĶ (x)
(x) κһNӢZԇfٲ˾ @һh(hun)(ji)ԓô ?䲽E£һ߅ һ߅ ԭģԼJRR(yng)^~;Y(ji)_ʼ~ԭĵ߅ֻҪ@~@ƪе˼;Ȼ@ƪϮ(dng)x¿پxһص;һ߅ԭһ߅Ҫx(f)ױһֱ Բԭďص ֹұ^õSSS(Scientific American’s Sixty-second Science)dẓϢܴǺܺõľ(x)ϡ
fԼIJM(zhn)(x)俼и (zhn)ԵIJ@һW(xu)nnF(xin)ںܶW(xu)ѽ(jng)S_nn˻(lin)W(wng)@һOѵ(zhn) yȵIJǰʺKaplanϵԇ}xûDELTAϵԇ}ͨ^׃ܛ2ف@Ӿ͕ԽԇymȻ^ʹ״øyIJϾ(x)ȥ ľ͕^ Ҳкܴġ
ҪB(yng)rrڿԇĸXrr ӢZĸXҲҪԼ(chung)һӢĵĭh(hun)糿һ҂ʹ_䲥ӢZи ӢďVҲһӢӰ@ĺ̎Sr ӢZڝĬв֪XؼӢZжB(yng)ZС@һ^Lڵ΄(w)ڂ俼rg^LͬW(xu)ǺͿxõķ