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學習快評丨qibao666888　　對??(dui)此??(ci)??，北??(bei)京??(jing)采??(cai)取??(qu)了??(le)“控??(kong)增??(zeng)量??(liang)、降??(jiang)濃??(nong)度??(du)”等??(deng)多??(duo)項??(xiang)措??(cuo)施??(shi)??，最??(zui)大??(da)程??(cheng)度??(du)降??(jiang)低??(di)花??(hua)粉??(fen)給??(gei)市??(shi)民??(min)生??(sheng)活??(huo)帶??(dai)來??(lai)的??(de)困??(kun)擾??(rao)??。??　　“但??(dan)柏??(bai)樹??(shu)作??(zuo)為??(wei)常??(chang)綠??(lv)植??(zhi)物??(wu)??，對??(dui)豐??(feng)富??(fu)北??(bei)京??(jing)冬??(dong)季??(ji)的?(de)城?(cheng)市??(shi)景??(jing)觀??(guan)特??(te)別??(bie)重??(zhong)要??(yao)??，柏??(bai)類??(lei)植?(zhi)物??(wu)不??(bu)僅??(jin)皮??(pi)實??(shi)、長??(chang)壽??(shou)??，適??(shi)應(yīng)??(ying)北??(bei)京??(jing)氣??(qi)候??(hou)??，而?(er)且??(qie)樹??(shu)形??(xing)挺??(ting)拔??(ba)??，具??(ju)有?(you)很??(hen)強??(qiang)的??(de)生??(sheng)態(tài)??(tai)價??(jia)值??(zhi)??。??”沙??(sha)海??(hai)江??(jiang)解??(jie)釋??(shi)說??(shuo)??，去??(qu)年??(nian)北??(bei)京??(jing)冬??(dong)季??(ji)較??(jiao)為??(wei)干??(gan)燥??(zao)??，今??(jin)年??(nian)春?(chun)季??(ji)氣??(qi)溫??(wen)又??(you)迅??(xun)速??(su)回?(hui)升??(sheng)??，加??(jia)之??(zhi)風?(feng)力??(li)作??(zuo)用??(yong)??，使??(shi)得??(de)花??(hua)粉??(fen)飄??(piao)散??(san)從??(cong)3月??(yue)初??(chu)開?(kai)始??(shi)比??(bi)較??(jiao)集??(ji)中?(zhong)??。。