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學(xué)習(xí)快評(píng)丨久久99国产精品二区

2025-03-27 05:59:44 來(lái)源:新華網(wǎng)

原標(biāo)題:久久99国产精品二区

學(xué)習(xí)快評(píng)丨qibao666888  蟲??(chong)媒??(mei)花??(hua)粉??(fen)指??(zhi)以??(yi)昆??(kun)蟲??(chong)為??(wei)傳??(chuan)播?(bo)媒??(mei)介??(jie)的??(de)花??(hua)粉??(fen)??,一??(yi)般??(ban)花??(hua)粉??(fen)顆?(ke)粒??(li)大??(da)、質(zhì)?(zhi)重??(zhong)??,難??(nan)以?(yi)通??(tong)過(guò)??(guo)風(fēng)??(feng)媒??(mei)進(jìn)??(jin)行??(xing)傳??(chuan)播??(bo)??,如??(ru)油??(you)菜??(cai)花??(hua)、桃??(tao)花??(hua)、梨??(li)花??(hua)等??(deng);它??(ta)的??(de)特?(te)點(diǎn)?(dian)是??(shi)花??(hua)朵??(duo)鮮??(xian)艷??(yan)??,帶??(dai)有??(you)芳??(fang)香??(xiang)或??(huo)其?(qi)他??(ta)氣??(qi)味??(wei)??,吸??(xi)引??(yin)蝴??(hu)蝶??(die)、蜜??(mi)蜂??(feng)或?(huo)其?(qi)他?(ta)昆?(kun)蟲??(chong)來(lái)??(lai)進(jìn)??(jin)行??(xing)傳??(chuan)播??(bo)??。??  花??(hua)粉??(fen)過(guò)??(guo)敏??(min)又??(you)叫??(jiao)花??(hua)粉??(fen)癥??(zheng)、枯??(ku)草??(cao)熱??(re)??,主??(zhu)要??(yao)是??(shi)由??(you)于??(yu)對(duì)??(dui)植??(zhi)物??(wu)花??(hua)粉??(fen)存?(cun)在??(zai)過(guò)??(guo)敏??(min)現(xiàn)??(xian)象??(xiang)??,并??(bing)對(duì)??(dui)眼?(yan)、鼻??(bi)、呼?(hu)吸??(xi)道?(dao)、皮?(pi)膚??(fu)等??(deng)產(chǎn)??(chan)生??(sheng)影??(ying)響??(xiang)??。?該??(gai)類??(lei)疾?(ji)病??(bing)的??(de)過(guò)??(guo)敏?(min)原??(yuan)是??(shi)花??(hua)粉??(fen)??,過(guò)??(guo)敏??(min)原??(yuan)傳??(chuan)播??(bo)的??(de)媒?(mei)介?(jie)主??(zhu)要??(yao)是??(shi)風(fēng)??(feng)??。在??(zai)我??(wo)國(guó)??(guo)??,不??(bu)同??(tong)地秘(di)區(qū)??(qu)的??(de)氣??(qi)傳??(chuan)花??(hua)粉??(fen)植??(zhi)物??(wu)季??(ji)節(jié)??(jie)分??(fen)布??(bu)特??(te)征秘(zheng)因??(yin)氣??(qi)候??(hou)條??(tiao)件??(jian)、植??(zhi)物??(wu)的??(de)物??(wu)候??(hou)條??(tiao)件??(jian)特??(te)征??(zheng)不??(bu)同??(tong)??,存??(cun)在??(zai)一??(yi)定??(ding)差??(cha)異??(yi)??。對(duì)??(dui)于??(yu)北??(bei)京??(jing)來(lái)??(lai)說(shuō)??(shuo)??,氣??(qi)傳??(chuan)花??(hua)粉??(fen)植??(zhi)物?(wu)的??(de)盛??(sheng)花??(hua)期??(qi)主??(zhu)要??(yao)分??(fen)為??(wei)2個(gè)?(ge)高??(gao)峰??(feng)期??(qi)??,那??(na)么??(me)花??(hua)粉??(fen)過(guò)??(guo)敏?(min)的??(de)流??(liu)行??(xing)也??(ye)就??(jiu)相??(xiang)應(yīng)??(ying)存??(cun)在??(zai)兩??(liang)個(gè)??(ge)高??(gao)發(fā)?(fa)期??(qi)??。。

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