и ߷
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һ
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1.
ָnjһƪ еԭȫ ڜ(zhn)иԇĿԣõ ϾеĶ Чؙzһ˵ı ֮_ı(f) ֱȫ ֹ@ Чķ
2.
ָһ߅_ıһ߅ ĕrҪԼϤĆ~ڵһY(ji)~Ȼٷ(f) ֱÓ ֹ mϵIJSSS(Scientific American’s Sixty-second Science)dzֻһϢܴҪи }ҪԴ
(yng)ٶ
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Pӛ
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wʩ һͣȻһƪ ;һ錑֮ڶütPܕ` © e ;(j)ԭ˽Լ헣ᘌԵ
и A(ch)ķ
mȺ
ȣ lectureĕrȫPӛr¹ ߀Xȫ֪speakerfʲô
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ע ȫx}Ҫô(f)s~RĬƴeǛ]P!Ϥl(f)˼