һ Pӛ
иᘌ(du)е@ĸĸ֮һSһ߅ ĕr(sh)һ߅ӛPӛ@H?yn)е ׃L(zhng)ҪùPӛ(li)a(b)XӛIJҪ@(gu)W(xu)nÌ(du)W(xu)nn挍(sh)и v}Ŀc(din)ϢҪԒ}Ҫ(x)(ji)½Y(ji)(gu) ^ӛ@ЩҪă(ni)ݣô(du)}ǎO
(dng)ȻҪ(qing){(dio)^(qing)ĹPӛҪǰ(xing)^(qing)ĻA(ch) һƪϣ߀Ҫ(jng)ȥ(yng)ܶ~˼ķ(yng)ٶȺôDzȥӛPӛ
ᘌ(du)и ĹPӛҪҪӛ(li)Ϣc(din)һYES OR NO(√×)nj(du)(yng)(g(sh)Z(y)ͶxČ(du)(yng)(sh)r(sh)gɫλ͌(du)Č(du)(yng)ԼͽQČ(du)(yng))PӛҲһ(g)ĸʽP(gun)IҪӛ“”“”“”ֻ@ȥӛܱCĹPӛӴ߉ϢЧҲԇޕr(sh)g(ni)Ѹ}
(yng)ٶ
ӢZ(y)ĸZ(y) һ(g)~֮ķ(yng)ٶ0.03҂ӢZ(y)ĸZ(y)ģ҂(du)~ķ(yng)ٶȿܲȫ_(d)@(g)ָ(bio)DZMܵȥӽo(w)ȡи ߷ֱn?yn) и ĕr(sh)ETSܵ ǰĆ~Ȼٷź(sh)и Z(y)Ҳֻ(gu)W(xu)nһZ(y)Hȡи߷ҪǞ˵(gu)ܸ(gu)n҂⌢(yng)ٶȾȥȫҪ
(x)(yng)ٶȵҪҲЧһ(g)“׃پ(x)”׃پ(x)ָ׃ܛӿZ(y)(li)҂(du)Ϸ(yng)`Ⱥ͜(zhn)_ȡһc(din)Ҫ(qing){(dio)׃پ(x)ֻmڌ(du)㳣ѽ(jng) IJM(jn)?yn)?du)㲻Ϥ߱(li) IJM(jn)׃ôY(ji)ȻǸ @ӵxDz@һc(din)ô֪䌍(sh)׃پ(x)IJʮ֏Vȿѽ(jng) ^жӣҲSSSIJѽ(jng)^и }
ľи֣֮_ʼĕr(sh)һ(g)~һ(g)~ȥ ؿһ(g)Ⱥһ(g)Ⱥȥ ٺ(li)һ(g)һ(g)ӵȥ (dng)Ȼһ磬͕(hu)ӛ ӢZ(y)M(jn)ֻһ(g)һ(g)˼@ hZ(y)һ҂ā(li)ȥ“ hZ(y)”@һN“”ľ_(d)@Nôи ̾ͳ҂СW(xu)(hu)ƌW(xu)nԇO了(jin)
(du)һ(g)Ї(gu)ЌW(xu)W(xu)Ȼ^(j)ˁ(li)f(shu)h(yun)h(yun)_(d)@Nڜ(zhn)и ĕr(sh)҂ҪĹnǽQ(du)ӢZ(y)ıָ һ(g)~ܷ(yng)˼ɞķeO X~R
QЧăɂ(g)һ Ǿ
1.
ָnjһƪ еԭȫ (li)(du)ڜ(zhn)иԇĿõ ϾеĶӡ 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)dzֻһϢܴҪи }Ҫ(li)Դ