751 һ(1/2)
751²һ
˶ǿȵĹϵʱķҦԶֶӪգʳϲˮ
һ磬մҦԶû˯ѣѾڳ㽶
㽶㽶˵ĸԼ16ֳ⣬˴׳ǰ˽ϸĹΡ
׳ʱͻʻưɫ
֪˶ãҦԶһֻ鷦
һֶףˢϴСĪ緹ˣһᡣ
㲻ˣ
иᣬˣˡ
Ŷǵô֡
ҦԶӦ˼䣬Ժ˯˯
ϴϣʰţպСĪСĪſ֣Թ㣬̫ˣˣҿܿν
п֣һ˰
ЦЦԹȥϰࡣ
СĪݣҦԶһĶС̲ˣûϢð
ҦԶһſſӣдˣһй˽ǡ
ɲ֪⼸±жˣÿãȻ״һ
Ǹȥ
иβøٷһ棬̨¡
ҦԶһһ̰ӣЦܽҲȥٺ٣˵治࣬ϴκȾ佱ɣȻû
Ӵְܶɣ
СĪҲ³ԣһ
˰ɣǴеĶԾ忪ɡ
ҦԶ̧첲˱ڵļ⣬һƶԣȰС۾§
˷9ӵʱҦԶϣһN95֣ԼһʣµĶСĪá
ÿ֣žʶԼ̾˿
ֿ90ŷڵϰջ˽⣬ֱ2020ĴڣǸʷת۵㡣
˵Ȼûʲô䣬·ǿհģʱˮһ㣬һգۣȥˡ
3ʱ⣬ûˡ
Ͼ2012ˣ8ꡣ
ҦԶԼ˵һ䣬СĪ¥ȡһֻջɡһС
ϣиǿң˶ſ֣֡ͨʱһգ¶ı顣
аˣǰãҲû㲥˵ʲôPM2.5
ϰ߰ɣԺС
ɶ˵аѹ˾ảȥأ
СĪ߶߶²ۣҦԶһ棡Ϊٹ꺣ϾûôXZ˰
PM2.5ȸڽ궬ɹٷ˴Ұ
Ҳʼ˳ʮ֮·ǵأ֮أ˺Ϊѵ٩Ķ
֮£СĪų˹ŲԺ
ڳţ
ã
ҦԶ·¥һӴҡ
һᣬ쵼ˣھ͵˵ǰ鷳ǽ˻ڣڿϻˣ
˵ĶĻʵѲæһĺĿҲġĸĿ̸ˣdzл⡣
ҦԶ̬ȼá
֪»ˣą̊́£һϵĽ
ֹ˼ӣŲ죬һ˳ſڣС磡һƼҦԶһ飬ȸ쵼ʺá
ҦԶЦǺǵ֣ܣּˣ
ּˣ
С粻ʧȣ֣ϴλӣЩˡ
ǰһ۱仯̫ˡ
㿴ⲻܺʲô²ܺú̸̸
쵼ǸӣԼҲӣݲ裬кЦǵìҶ˽ˣ쵱֣Һͺġ
99Ѷǹڻҵٮٮߣҵ⣬ܺܶӰ죬ʱԿƣҲ⡣
ǵţ˵ʵǺС
̸أΪģDZһ̬ȡֻҪȥڼҵԾͬչġ
أţЩ
ȻûȨDzֻϣòҪǡ
20ǰСͶߵʱٷһ̬ȣѾʤˣ
Ǿùˣ߳Լȥɡ
˶ǿȵĹϵʱķҦԶֶӪգʳϲˮ
һ磬մҦԶû˯ѣѾڳ㽶
㽶㽶˵ĸԼ16ֳ⣬˴׳ǰ˽ϸĹΡ
׳ʱͻʻưɫ
֪˶ãҦԶһֻ鷦
һֶףˢϴСĪ緹ˣһᡣ
㲻ˣ
иᣬˣˡ
Ŷǵô֡
ҦԶӦ˼䣬Ժ˯˯
ϴϣʰţպСĪСĪſ֣Թ㣬̫ˣˣҿܿν
п֣һ˰
ЦЦԹȥϰࡣ
СĪݣҦԶһĶС̲ˣûϢð
ҦԶһſſӣдˣһй˽ǡ
ɲ֪⼸±жˣÿãȻ״һ
Ǹȥ
иβøٷһ棬̨¡
ҦԶһһ̰ӣЦܽҲȥٺ٣˵治࣬ϴκȾ佱ɣȻû
Ӵְܶɣ
СĪҲ³ԣһ
˰ɣǴеĶԾ忪ɡ
ҦԶ̧첲˱ڵļ⣬һƶԣȰС۾§
˷9ӵʱҦԶϣһN95֣ԼһʣµĶСĪá
ÿ֣žʶԼ̾˿
ֿ90ŷڵϰջ˽⣬ֱ2020ĴڣǸʷת۵㡣
˵Ȼûʲô䣬·ǿհģʱˮһ㣬һգۣȥˡ
3ʱ⣬ûˡ
Ͼ2012ˣ8ꡣ
ҦԶԼ˵һ䣬СĪ¥ȡһֻջɡһС
ϣиǿң˶ſ֣֡ͨʱһգ¶ı顣
аˣǰãҲû㲥˵ʲôPM2.5
ϰ߰ɣԺС
ɶ˵аѹ˾ảȥأ
СĪ߶߶²ۣҦԶһ棡Ϊٹ꺣ϾûôXZ˰
PM2.5ȸڽ궬ɹٷ˴Ұ
Ҳʼ˳ʮ֮·ǵأ֮أ˺Ϊѵ٩Ķ
֮£СĪų˹ŲԺ
ڳţ
ã
ҦԶ·¥һӴҡ
һᣬ쵼ˣھ͵˵ǰ鷳ǽ˻ڣڿϻˣ
˵ĶĻʵѲæһĺĿҲġĸĿ̸ˣdzл⡣
ҦԶ̬ȼá
֪»ˣą̊́£һϵĽ
ֹ˼ӣŲ죬һ˳ſڣС磡һƼҦԶһ飬ȸ쵼ʺá
ҦԶЦǺǵ֣ܣּˣ
ּˣ
С粻ʧȣ֣ϴλӣЩˡ
ǰһ۱仯̫ˡ
㿴ⲻܺʲô²ܺú̸̸
쵼ǸӣԼҲӣݲ裬кЦǵìҶ˽ˣ쵱֣Һͺġ
99Ѷǹڻҵٮٮߣҵ⣬ܺܶӰ죬ʱԿƣҲ⡣
ǵţ˵ʵǺС
̸أΪģDZһ̬ȡֻҪȥڼҵԾͬչġ
أţЩ
ȻûȨDzֻϣòҪǡ
20ǰСͶߵʱٷһ̬ȣѾʤˣ
Ǿùˣ߳Լȥɡ
δ꣬һҳĶ