7.0ʲôרҵ׬Ǯ

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Ѷݷ籨41գȺ̫NASA𳤲˹̹JimBridenstineƣӡǰݻ1Ÿ߿չǡʮ㡱£400ƬԹ̫վ̫˹·ա5ǰӡڵл1ö͹ǣ֤ʵȫȽ̫ǿ֮С˹̹NASAԱ˵ʱۡɽʡصĺܶæҪӰƳ½ӵ1ſڲҵ԰ĽɣǴũ˰칤ʵĹˡɽҲսսGDPҲҪѻĿɽʿж򾻻ɽʡ̬ʾ2018ɽ2PM2.51̼ȴҪŨȽ201349.23%28.57%36.17%


廪ѧе裬ʦ1ٵϯ1ϽԱרð뿴IJǽǺڰ飬1齳Ƿݱ档ϣЩ۱𶯸ԱҲģʦ߱ԡ٣


УķӣͨDzժϴˮݣν2~3죬պˮݲμ÷ף1οˮɺڹ档ˮȻ1ЩζȻԿšӣ족Ļڡ⣬պκ͸ˣĻԴȡšŷ´޵ڽǵͷҲľ桰ͶƱϷĹδˡҪӢԱŵġŷóδò


йİ칫Ժ칫Сҵչָ˰ѵϵ߰취أɹȫüгʧСҵչIJ1ȣȫΧϲҵӪҵֵλȫҵȳ̶3.9ٷֵ㣬ԷΧϲҵֵʴ74.5%ֻӣ


ʱȤййӵĶӲʱܶжнӹȶӵľ°ʱ1伷˵ʢǡİɣʱȫעԱֻҪǧˡ724յձʱͨѶ籨ձ24շѶƣԹضΪĵձΧҹ佫ִꡢ׵硢΢ȱڶԴ˽⣬ձͶֱܹũ⡣رձ718վ齫սʳŴ(ĵжԹ)ɨ⽫ԺҪձȡ㲿ϹĴҵγɴ


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