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　　風??(feng)媒??(mei)花??(hua)粉??(fen)指??(zhi)借??(jie)助?(zhu)風??(feng)力??(li)傳??(chuan)播??(bo)授??(shou)粉??(fen)的??(de)花??(hua)粉??(fen)??，一??(yi)般??(ban)花??(hua)粉??(fen)粒??(li)小??(xiao)、質(zhì)??(zhi)輕??(qing)、量?(liang)多??(duo)??，如?(ru)柏??(bai)樹??(shu)、楊??(yang)樹??(shu)、柳??(liu)樹??(shu)、樺??(hua)樹??(shu)、梧??(wu)桐??(tong)等??(deng)；它??(ta)的?(de)特??(te)點??(dian)是??(shi)花??(hua)型?(xing)較?(jiao)小??(xiao)、色??(se)淺??(qian)、無??(wu)香??(xiang)味??(wei)??，數(shù)??(shu)量??(liang)多??(duo)??，花??(hua)粉??(fen)傳??(chuan)播??(bo)面??(mian)積??(ji)很??(hen)廣??(guang)、在??(zai)空??(kong)氣??(qi)中??(zhong)停??(ting)留??(liu)時??(shi)間??(jian)長??(chang)??。??　　風??(feng)媒??(mei)花??(hua)粉??(fen)是??(shi)花??(hua)粉??(fen)過??(guo)敏??(min)變??(bian)應??(ying)原??(yuan)的?(de)重??(zhong)要??(yao)來??(lai)源?(yuan)??，氣??(qi)象??(xiang)監(jiān)??(jian)測??(ce)部??(bu)門??(men)一??(yi)般??(ban)對?(dui)風??(feng)媒??(mei)花??(hua)粉??(fen)中??(zhong)的??(de)致??(zhi)敏??(min)花??(hua)粉??(fen)(即??(ji)氣??(qi)傳??(chuan)致??(zhi)敏??(min)花??(hua)粉??(fen)??，又?(you)稱??(cheng)氣?(qi)傳??(chuan)花??(hua)粉??(fen))??，進??(jin)行??(xing)監(jiān)?(jian)測??(ce)??。?。