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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)Ԓ(hu)̓ɂ(g)vЌԒ(hu)ֵL(chng)ͨ2-3nvtҪL(chng)һЩЩ_5-6҂֪и (tng)헟o(w)Փǂ俼߀yȶǷdz (tng)σ漰VҌ(zhun)I(y)ԘO@ҪHҪ֪֪ҪƼˇvʷ˽

ȻҪϵ֪RȫĻDzܵ҂ľǏ (tng)ȡP(gun)֪R@r(sh)ӛPӛ׃҂Qи (tng)ԇP(gun)I@Ҳи (tng)ώڽ̌W(xu)Џ{ӛPӛҪԵԭo(w)Փ뱣15ֵĿ߀_30ֵĿֻҪҪʴ_İи (tng)µ挍(sh)xPӛɲ

ӛPӛT̎Ԏ㼯ע߀Լӏ̕r(sh)ӛԎ (tng)ϵļλc(din)Ƿذl(f)FԼһ(g)mȻ (tng)µĕr(sh)^βӛ˺ܶPӛsΨ](mi)ӛc(din)?}r(sh)l(f)FԼȻԼĹPӛ?ֻһӛPӛ© (tng)ܶ༚ºƒ (tng)Լ߉݋Ҳy?

ôבԓЧӛ (tng)Pӛ?׌СVĂ(g)ɲ֪и (tng)ӛPӛļɣ

һ (tng)Ԓ(hu)ӛP(gun)I~

vӛи (tng)Pӛķr(sh)ώһһ_(ki)ʼ͕(hu )V㣺ӛP(gun)I~ļ^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)ČԒ(hu)W(xu)ώԃ(xn)(wn)ӌ(xi)ώٵf(shu)һBҊ(jin)@ͺܿܳx}@r(sh)҂ҪڹPӛwFеҊ(jin)ô҂ԓӛЩ~?

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Ԓ(hu)Ю(hu)(xin)ֵľwҊ(jin)Ҫӛ(li)~Rԓ@ӣworried?No. stu?how?plan?

ӛ䛾߉݋P(gun)ϵ~׳c(din)

߉݋BһƪµĽ}j(lu )ÿһƪи (tng)¶(zh)֔ŒӴκ߉݋P(gun)ϵ֮gҊ(jin)߉݋P(gun)ϵD혳e߉݋ͨ^(gu)߉݋~߉݋Z(y)(li)wFһF߉݋~ͺܸܿc(din) (tng)߉݋~Ѹӛ(li)܉ʹƒȲP(gun)ϵһĿȻӛ̖ ߉݋~ ≠ different, unlike, contradict, rather than <> belong to, be part of due to, because, reason ∧ but, however, yet, in fact, actually, while ӛ̖ ߉݋~ ≠ different, unlike, contradict, rather than <> belong to, be part of due to, because, reason ∧ but, however, yet, in fact, actually, while

ٴѴõ߉݋R܉ճҊ(jin)߉݋~ԼZ(y)@ӟo(w)Փڜyԇx (tng)Z(y)ֵĕr(sh)һ(g)(yu)܉ƽr(sh) (tng)Ӗע⿂Y@Щ߉݋~ͶZ(y)÷\ԼĿZ(y)͌(xi)һ܉M(jn)߷֙n

 (tng)ĄemYc(din)ӛҪϢ

ŴͬW(xu)@ӵw(hu )҂ (tng)µ^(gu) (tng)һ(g)̫Ć~ӕr(sh)(hu )˼Sͣ@(g)~ͬr(sh)© (tng)˽(li)ϢȻ^(gu)񃺁(li)Űl(f)Fѽ(jng)֪f(shu)ăȥ

䌍(sh)и (tng)ԇFҪϢƧĆ~ĕr(sh)vԒ(hu)߽^󲿷r¶(hu )Խ?zhun)Ƿͽ@(g)Ϣ~҂Ҫľ (tng)~ĕr(sh)סě_(dng)Ӳ(zh)^Ƥ (tng) (tng)~Ľ֮ڹPӛӛҪϢ҂Ҫעи (tng)зͳFጵϢһҪϢOпǿc(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(chng)䌍(sh)ֻ_(g)ҪϢҲf(shu)w{(li)ֻ(g)c(din)

䌍(sh)e@(g)@ôL(chng)䌍(sh)ֻ_(g)ҪϢҲf(shu)w{(li)ֻ(g)c(din)IJֶnjc(din)Ľ

һ(g)Ϣ@̫(yng)܉ǙEAεԭ5Ԓ(hu)(li)ͽ@(g)ϢmȻFƧĆ~oval}¿ (tng)һ(g)^Ҋ(jin)elliptical(li)£

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(hu)(li)ͽ?zhun)гFһ(g)΢ЩyȵĆ~consistentҷֹЩJR@(g)~}ֿĵĽo@(g)FЕr(sh)@(g)܉ΠAc(din)Еr(sh)EAc(din)EAc(din)ĕr(sh)ӽ̫(yng)@f(shu)ľ҂ЌW(xu)֪RеĽc(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)Ԓ(hu)һ5Ԓ(hu)(li)@(g)Ϣ㲻֪@Ҫc(din)߀˷(wn)

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

mȻ (tng)@ô~R;䌍(sh)ĹPӛҪӛֻ@(g)ҪϢɴ˿֪ETSһ(g)ԻĵĽM (tng)Ϣĕr(sh)Ҫ¸҈ԛQ^m (tng)˼SҪͬr(sh)(zh)f(shu)Ԓ(hu)^ܳFԼ˼S

˽и (tng)v}·ДŲy

и (tng)vֵ·к܏ҎԵһ(li)f(shu)֞6(g)E

һϹn

ڶ(zhun)~(@n})

B@(g)(zhun)~(һNFvʷ¼)

IJͨ^(gu)e(li)ķʽ߽B̵ķʽ(li)U}ľw

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

}M(jn)пYA((hu )ᵽv}^(gu)ȥδ(li)a(chn)Ӱ푻hx)

˽и (tng)vֵ·Ҫƽr(sh)ĹPӛӖ^(gu)Rذ (tng)Ϣw{M(jn)@(g)·@܉õذ½Y܉_?jng)] (tng)ÿһ(g)ϢҲ}ľ

Ոӛסڂ俼и (tng)^(gu)Pӛľͨ (tng)߷ֻM(mn)ֱؽ(jng)Ęϣ܉мw(hu )f(shu)ķN\õףÿһ(g)ȡÝM(mn)ijɿ(j)Ҽ!

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