ľи֮_ʼĕr(sh)һ(g)~һ(g)~ȥ ؿһ(g)Ⱥһ(g)Ⱥȥ ٺһ(g)һ(g)ӵȥ (dng)Ȼһ磬͕(hu)ӛ ӢZM(jn)ֻһ(g)һ(g)˼@ hZһ҂āȥ“ hZ”@һN“”ľ_(d)@N磬ôи ̾ͳ҂СW(xu)(hu)ƌW(xu)nԇO了
ǣ(du)һ(g)ЇЌW(xu)W(xu)Ȼ^(j)ˁfh(yun)h(yun)_(d)@Nԣڜ(zhn)и ĕr(sh)҂ҪĹnǽQ(du)ӢZıָ һ(g)~ܷ(yng)˼ɞķeO X~R
QЧăɂ(g)һ Ǿ
1.
ָnjһƪ еԭȫ (du)ڜ(zhn)иԇĿõ ϾеĶ Чؙz(yn)һ(g)˵ı ֮(du)_ı(f) ֱȫ ֹ@ Чķ
2.
ָһ߅_ıһ߅ ĕr(sh)Ҫ?jing)ԼϤĆ~ڵһY(ji)~Ȼٷ(f) ֱÓ ֹ mϵIJSSS(Scientific American’s Sixty-second Science)?yn)dzֻһ犣ϢܴҪи }ҪԴ