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һƪ Electric Lighting and the American Homes

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һv19oĩ20oI(y)ͽͨڰ_픷(yng)ҹʣ࣬I(y)ڌҹMI(lng)mȻ·䁵ռ늾W(wng)O(sh)ɱ½ͥ_ʼdСĸͥ

ڶ׃ļͥ(y(tng)I(lng)ȫּ)Bͥռ֮ǰļͥҪȼeT׶⾀谵ȼųųжwȻvͥķcm(yng)һg^g^Ȼݔͳɱ½u_ʼмͥ늁T̎⾀]жwȵ

쎟^쵽˼ͥ늎׃_ʼO(sh)ӋµķݸԱm(yng)mȻɱ½ijɱ߀ƫ˽_ʼO(sh)ӋsС˵ķݿgO(sh)Ӌ҂Ŀ͏d͏dNǰҲsС˳ߴϲһЩǰݵg

Ķvͥ늳ɱĽI(y)l(f)F(xin)˼ͥǂµЈӴͶS늾W(wng)ռ늳ɱ½ʹüͥԽԽռ

ebungalow@NݣΌСƽ1900굽1920@NΌСƽ(sh)E700fg^ǰĶӴС^(ji)s(sh)ͥ

Σͥ߀׃˵x档lĸԽԽµϲgĕrgxҲԻĕrg㺢ӂxM˼ͥͨͥxĈD^ĕ(sh)õC

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ڶƪExtinction of the Mammoths

(ni)ݻؑĹ8

һBMammoths()ĕrg͜^ĕrgվ180f굽1.1fgĸ(Pleistocene)ھ1.1fĕr^^ԭǚ׃

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ƪ Beginning of the Planet Formation

(ni)ݻؑĹ5

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Σԓ^c|(zh)̫ݗҪʹϵĴɢȥҪx̫10ľx@xDzܵ

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