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и (tng)Pӛ

l(f)r(sh)g:2017-12-20 ݋:1025

һ(li)f(shu)и (tng)ԇһ(g)sectionһ(g)(du)Ԓ̓ɂ(g)vЌ(du)ԒֵL(zhng)ͨ2-3nvtҪL(zhng)һЩЩ_(d)5-6҂֪и (tng)(xing)o(w)Փǂ俼߀yȶǷdz?yn)?tng)σ(ni)漰VҌI(y)ԘO(qing)@ҪHҪ֪֪Ҫ(du)Ƽˇvʷ˽

(dng)ȻҪϵ֪R(sh)ȫĻDzܵ҂ľǏ (tng)ȡP(gun)֪R(sh)@r(sh)ӛPӛ׃҂Qи (tng)ԇP(gun)I@Ҳи (tng)ώڽ̌W(xu)Џ(qing){(dio)ӛPӛҪԵԭo(w)Փ뱣15ֵĿ߀_30ֵĿֻҪҪ(zhn)_İи (tng)µ挍(sh)xPӛɲ

ӛPӛT̎Ԏ㼯ע߀Լӏ(qing)̕r(sh)ӛԎ (tng)ϵļ(x)(ji)λc(din)Ƿذl(f)F(xin)Լ(x)һ(g)mȻ (tng)µĕr(sh)^βӛ˺ܶPӛsΨ(d)](mi)ӛc(din)?}r(sh)l(f)F(xin)ԼȻԼĹPӛ?ֻһӛPӛ© (tng)ܶ༚(x)(ji)(do)ºƒ(ni) (tng)Լ߉݋Ҳy?

ôב(yng)ԓЧӛ (tng)Pӛ?׌СVĂ(g)ɲ֪и (tng)ӛPӛļɣ

һ (tng)ԒӛP(gun)I~

vӛи (tng)Pӛķr(sh)ώһһ_(ki)ʼ͕(hu)V㣺ӛP(gun)I~ļɣ^P(gun)I~һָһЩҪČ(sh)~f(shu)~(dng)~~ͷ~Ȼ@Ҫעǣ҂Ҫ (tng)@(g)Ȼͬ׽סĂ(g)~@(g)ҪϢ@(g)ĿP(gun)I~(li)}r(sh)ؑ(g)

e(g)ӣČ(du)ԒW(xu)ώԃ(wn)ӌ(xi)(bo)ώٵf(shu)һBҊ(jin)@ͺܿܳx}@r(sh)҂ҪڹPӛwF(xin)еҊ(jin)ô҂?c)ӛЩ~?

Student: Do you have any advice on how I should cover the story?

Advisor: Well, Max will want to talk to you but I am sure he will tell you to find out things like why the physics department's worried about enrollment?Has the number of students been getting smaller in recent years? By how much? What kinds of plans are they considering to address this problem?

τf(shu)ķ挦(du)ԒЮ(hu)ֵľwҊ(jin)Ҫӛ(li)~R(yng)ԓ@ӣworried?No. stu?how?plan?

ӛ䛾߉݋P(gun)ϵ~׳c(din)

߉݋BһƪµĽ}j(lu)ÿһƪи (tng)¶(yn)֔(jn)?sh)ŒӴκ߉݋P(gun)ϵ֮gҊ(jin)߉݋P(gun)ϵD(zhun)ۡ(du)혳e߉݋ͨ^(gu)߉݋~߉݋Z(y)(li)wF(xin)һF(xin)߉݋~ͺܸܿc(din) (tng)߉݋~Ѹӛ(li)܉ʹƒ(ni)P(gun)ϵһĿȻӛ̖(ho) ߉݋~ ≠ different, unlike, contradict, rather than <> belong to, be part of due to, because, reason ∧ but, however, yet, in fact, actually, while ӛ̖(ho) ߉݋~ ≠ different, unlike, contradict, rather than <> belong to, be part of due to, because, reason ∧ but, however, yet, in fact, actually, while

ٴѴңõ߉݋R(sh)܉ճҊ(jin)߉݋~ԼZ(y)@ӟo(w)Փڜy(c)ԇx (tng)Z(y)ֵĕr(sh)һ(g)(yu)(sh)܉ƽr(sh) (tng)Ӗ(xn)ע⿂Y(ji)@Щ߉݋~ͶZ(y)÷\(yn)ԼĿZ(y)͌(xi)һ܉M(jn)߷֙n

 (tng)ĄemY(ji)c(din)ӛҪϢ

Ŵ(sh)ͬW(xu)@ӵw(hu)(dng)҂?c)?tng)µ^(gu) (tng)һ(g)̫Ć~ӕr(sh)(hu)˼Sͣ@(g)~ͬr(sh)© (tng)˽(li)ϢȻ^(gu)񃺁(li)Űl(f)F(xin)ѽ(jng)֪f(shu)ăȥ

䌍(sh)и (tng)ԇУ(dng)F(xin)ҪϢƧĆ~ĕr(sh)vԒ߽^󲿷r¶(hu)ԽǷ(f)@(g)Ϣ~҂Ҫľ (tng)~ĕr(sh)סě_(dng)Ӳ^Ƥ (tng) (tng)~Ľ֮ڹPӛӛҪϢ҂Ҫעи (tng)з(f)F(xin)ጵϢһҪϢOпǿc(din)ҲҪ҂c(din)ӛPӛĵط

Сoeһ(g)(li)ֱܷĶf(shu)ˎׂ(g)ҪϢ?

Ok, a lot of people think of earth’s orbit around the sun as being perfectly circular, as smooth and as regular as, say, the way that hands move on a well-made watch, but it just doesn’t work that way. You are probably aware that the earth’s orbit around the sun, it is not shaped like a perfect circle. It is more of an oval, it is elliptical. But the shape of this orbit isn’t consistent; it varies over time, over a period of about a thousand years. Sometimes it is a little more circular, sometimes it is more elliptical. And when earth’s orbit is more elliptical, earth is actually closer to the sun during part of the year. Which makes earth, and in particular, the northern hemisphere, warmer. And why is that important? Well, because most of the planet’s glaciers are in the northern hemisphere, and if it gets too warm, then glaciers will stop forming. And we’ve already talked about how that affects earth’s overall temperature

䌍(sh)e@(g)@ôL(zhng)䌍(sh)ֻ_(d)(g)ҪϢҲf(shu)w{(li)ֻ(g)c(din)

䌍(sh)e@(g)@ôL(zhng)䌍(sh)ֻ_(d)(g)ҪϢҲf(shu)w{(li)ֻ(g)c(din)IJֶnj(du)c(din)Ľጡ

һ(g)Ϣ@̫(yng)܉ǙEAεԭ5Ԓ(li)(f)@(g)ϢmȻF(xin)(du)ƧĆ~oval}¿ (tng)һ(g)^Ҋ(jin)elliptical(li)ጡ£

Ok, a lot of people think of earth’s orbit around the sun as being perfectly circular, as smooth and as regular as, say, the way that hands move on a well-made watch, but it just doesn’t work that way. You are probably aware that the earth’s orbit around the sun, it is not shaped like a perfect circle. It is more of an oval, it is elliptical

ڶ(g)Ϣ@(g)܉Π(hu)׃@5Ԓ(li)(f)гF(xin)һ(g)΢ЩyȵĆ~consistentҷֹЩJ(rn)R(sh)@(g)~}ֿĵĽo@(g)F(xin)Еr(sh)@(g)܉ΠAc(din)Еr(sh)EAc(din)EAc(din)ĕr(sh)ӽ̫(yng)@f(shu)ľ҂ЌW(xu)֪R(sh)еĽc(din)@(g)

But the shape of this orbit isn’t consistent; it varies over time, over a period of about a thousand years. Sometimes it is a little more circular, sometimes it is more elliptical. And when earth’s orbit is more elliptical, earth is actually closer to the sun during part of the year

(g)ϢΠ׃(hu)Ӱ푵ϱγf(shu)Ԓһ5Ԓ(li)@(g)Ϣ㲻֪@Ҫc(din)߀˷(wn)㡣

Which makes earth, and in particular, the northern hemisphere, warmer. And why is that important? Well, because most of the planet’s glaciers are in the northern hemisphere, and if it gets too warm, then glaciers will stop forming. And we’ve already talked about how that affects earth’s overall temperature

ԣmȻ (tng)@ô~R;䌍(sh)ĹPӛҪӛֻ@(g)ҪϢɴ˿֪ETSһ(g)ԻĵĽM(dng) (tng)Ϣĕr(sh)Ҫ¸҈(jin)Q^m(x) (tng)˼SҪͬr(sh)f(shu)Ԓ^ܳF(xin)Լ˼S

˽и (tng)v}·Д(sh)Ųy

и (tng)vֵ·к܏(qing)Ҏ(gu)Եһ(li)f(shu)֞6(g)E

һϹ(ji)n(ni)

ڶ~(@(ji)n})

B@(g)~(һNF(xin)vʷ¼)

IJͨ^(gu)eķʽ߽B̵ķʽ(li)U}ľw(ni)

岽(g)v^(gu)дW(xu)ᆖ(wn)ώԼᆖ(wn)֮o (ÿ(g)ᆖ(wn)̎ܿǿc(din))

(du)}M(jn)пY(ji)A((hu)ᵽv}(du)^(gu)ȥδ(li)a(chn)Ӱ푻h(yun)x)

(dng)˽и (tng)vֵ·Ҫƽr(sh)ĹPӛӖ(xn)^(gu)R(sh)ذ (tng)Ϣw{M(jn)@(g)·@܉õذ½Y(ji)(gu)܉_(d)?jng)] (tng)ÿһ(g)ϢҲ(du)}ľ硣

Ո(qng)ӛסڂ俼и (tng)^(gu)Pӛľ(x)ͨ (tng)߷ֻMֱؽ(jng)Ęϣ܉м(x)w(hu)f(shu)ķN\(yn)õ(x)ףÿһ(g)ȡÝMijɿ(j)Ҽ!

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