ľи֮_ʼĕrһ~һ~ȥ ؿһȺһȺȥ ٺһһӵȥ (dng)Ȼһ͕ӛ ӢZM(jn)ֻһһ˼@ hZһ҂āȥ“ hZ”@һN“”ľ硣_(d)@Nôи ̾ͳ҂СW(xu)ƌW(xu)nԇO了
ǣһЇЌW(xu)W(xu)Ȼ^ˁfh(yun)h(yun)_(d)@Nġڜ(zhn)и ĕr҂ҪĹnǽQӢZıָ һ~ܷ(yng)˼ɞķeO X~R
QЧăɂһ Ǿ
1.
ָnjһƪ еԭȫ ڜ(zhn)иԇĿõ ϾTPOĶӣԇǰrgLɅxи Чؙzһ˵ı ֮_ı(f) ֱȫ ֹ@ Чķ
2.
ָһ߅_ıһ߅ ĕrҪԼϤĆ~ڵһY(ji)~Ȼٷ(f) ֱÓ ֹ mϵIJҲɅSSS(Scientific American’s Sixty-second Science)dzֻһ犣ϢܴҪǣи }ҪԴ