【風險投(tou)資(zi)運(yun)作過程(cheng)】風險投(tou)資(zi)的階(jie)段(duan)性 風險投(tou)資(zi)的運(yun)作模式
風險投資(zi)的階段性
(1)投資選擇
其主要工作是投資方案的取得、篩選和評估,并作出是否投資的決策。從眾多沒有或只有少量經營歷史記錄的創業企業中選出最具獲利潛力的投資項目既是核心,也是風險投資有別于其(qi)它投資形式的特色(se)之(zhi)一(yi)。
一般的(de)投(tou)(tou)(tou)資公司在審(shen)查投(tou)(tou)(tou)資項目(mu)時,重(zhong)點(dian)放在財務分析與物質(zhi)保(bao)證方(fang)而(er),投(tou)(tou)(tou)資收(shou)益率(lv)或凈現(xian)值是項目(mu)取舍的(de)關(guan)鍵因素,其本質(zhi)是減小投(tou)(tou)(tou)資風(feng)(feng)(feng)險(xian)(xian),保(bao)證投(tou)(tou)(tou)入資本與收(shou)益的(de)安全回收(shou)。而(er)風(feng)(feng)(feng)險(xian)(xian)投(tou)(tou)(tou)資公司在選擇投(tou)(tou)(tou)資項目(mu)時,財務分析屈居次要(yao)地位。因為大多數風(feng)(feng)(feng)險(xian)(xian)創業企(qi)業面對的(de)市(shi)場(chang)是未知(zhi)的(de),市(shi)場(chang)預(yu)測和財務預(yu)測的(de)準確性難以得到保(bao)證,風(feng)(feng)(feng)險(xian)(xian)創業企(qi)業的(de)科技含量和創業者(zhe)素質(zhi)則成為項目(mu)選擇的(de)首要(yao)條件。
一般情況下(xia).風(feng)險(xian)(xian)企業的創業者(zhe)(zhe)既是企業的經營(ying)者(zhe)(zhe),又是技術(shu)的持有者(zhe)(zhe),因此往(wang)(wang)往(wang)(wang)成為(wei)風(feng)險(xian)(xian)企業能否得到風(feng)險(xian)(xian)資(zi)金的關鍵,而風(feng)險(xian)(xian)投資(zi)公(gong)司在對(dui)待風(feng)險(xian)(xian)上往(wang)(wang)往(wang)(wang)持積極態度,希望化高(gao)風(feng)險(xian)(xian)為(wei)高(gao)收益。
(2)協約階段
風險投資公司在完成項目(mu)的(de)(de)選擇之后(hou).就需要(yao)與確定的(de)(de)被投資(zi)風險創業(ye)企業(ye)進行實質性(xing)的(de)(de)討論,共協商投資(zi)的(de)(de)財務、監管、控制、退出、投資(zi)方式、知識產權、投資(zi)條件(jian)等(deng)有(you)關權利和義務,最后(hou)形成有(you)法律(lv)效力(li)的(de)(de)合資(zi)文件(jian)。
a.投(tou)資的安排。風險投(tou)資公司(si)根據對被(bei)投(tou)資企業(ye)未來(lai)價值的預測來(lai)確定他們投(tou)資的金額和換得的企業(ye)股份比例。一般選擇(ze)參投(tou)的方式進行投(tou)資,以得到企業(ye)證券(quan)作為(wei)投(tou)資條件(jian)。
b.投資的(de)控制機制。為了(le)降低風險,保(bao)障股(gu)權,通常還在協議書(shu)中明確股(gu)權的(de)保(bao)障方式,如(ru)技術折股(gu)價值的(de)確定、科技成果(guo)的(de)界定、戰略(lve)合作伙伴的(de)選擇、股(gu)東(dong)結構、董事會席(xi)位(wei)的(de)分配(pei)、經理的(de)人選等。
c.資(zi)(zi)金投入(ru)、撤(che)回的(de)(de)時機(ji)與(yu)方(fang)式(shi)。除風(feng)險創(chuang)業企(qi)業投入(ru)用于啟動(dong)的(de)(de)種子資(zi)(zi)金外,通常(chang)風(feng)險投資(zi)(zi)還需(xu)與(yu)風(feng)險創(chuang)業企(qi)業對(dui)未來企(qi)業不同發展階段進行的(de)(de)增資(zi)(zi)進行協商。此外,風(feng)險資(zi)(zi)本(ben)的(de)(de)回收年限,風(feng)險投資(zi)(zi)公司出售持股(gu)的(de)(de)時機(ji)與(yu)規范,被(bei)投資(zi)(zi)公司股(gu)票上市的(de)(de)時機(ji)與(yu)方(fang)式(shi),或(huo)是(shi)被(bei)投資(zi)(zi)公司無(wu)法(fa)達(da)到預期(qi)財務目標時所應承擔的(de)(de)責任也(ye)都(dou)是(shi)影響雙方(fang)合(he)作的(de)(de)重大事宜。
d.參與(yu)(yu)經營(ying)管理的(de)(de)(de)方式和對企(qi)業(ye)經營(ying)者的(de)(de)(de)激(ji)勵方式。對于風(feng)(feng)險(xian)投資公司參與(yu)(yu)風(feng)(feng)險(xian)企(qi)業(ye)決策及協助(zhu)經營(ying)管理的(de)(de)(de)范圍與(yu)(yu)程度應加以確認。
(3)投資管理階段
風(feng)險(xian)投資管理(li)(li)階(jie)(jie)段,是(shi)風(feng)險(xian)投資運作(zuo)的實質階(jie)(jie)段。在合(he)同簽署完畢后,風(feng)險(xian)投資公(gong)司按協(xie)議(yi)將資金投入風(feng)險(xian)企業,參與被投資企業經營管理(li)(li)。通(tong)過各(ge)種(zhong)機制,發揮價值增值的作(zuo)用(yong),協(xie)助(zhu)企業改善業績,擴大生產、銷售和產品開(kai)發,提(ti)高效率和生產率,投資者提(ti)供(gong)最大的回報。
通常風(feng)險(xian)(xian)投資公司擁有(you)市(shi)場研究、生產(chan)規(gui)劃(hua)、經營戰略(lve)、財務、法律(lv)等各方面(mian)的管(guan)理(li)專(zhuan)家,并(bing)且在社會(hui)上(shang)有(you)廣泛的信息(xi)與關系(xi)(xi)網絡,不僅可以為風(feng)險(xian)(xian)企(qi)(qi)業(ye)提供各種(zhong)咨詢和服務,幫助企(qi)(qi)業(ye)建立規(gui)范的管(guan)理(li)體系(xi)(xi),管(guan)理(li)機制和激(ji)勵(li)機制。必要時,還(huan)可替企(qi)(qi)業(ye)物色所需的專(zhuan)業(ye)管(guan)理(li)人(ren)才。風(feng)險(xian)(xian)投資公司對風(feng)險(xian)(xian)企(qi)(qi)業(ye)的投資管(guan)理(li),有(you)助于提高創(chuang)業(ye)成(cheng)功率,減少(shao)投資風(feng)險(xian)(xian),降低風(feng)險(xian)(xian)創(chuang)業(ye)者創(chuang)業(ye)失敗風(feng)險(xian)(xian),有(you)利(li)于激(ji)發科技人(ren)員創(chuang)業(ye)的熱情。
風(feng)險(xian)投資(zi)公(gong)司參與風(feng)險(xian)企業(ye)(ye)的(de)管(guan)理,可(ke)利(li)用自身的(de)智力和資(zi)金優勢與風(feng)險(xian)企業(ye)(ye)的(de)技術優勢加(jia)以(yi)結(jie)合,把(ba)低(di)價值(zhi)的(de)創業(ye)(ye)企業(ye)(ye)變為高價值(zhi)的(de)成熟(shu)企業(ye)(ye)。
(4)退出階段
無論風險(xian)投資(zi)對企(qi)業(ye)起了多大的促進作用,其所(suo)追(zhui)求(qiu)的最(zui)終目標仍(reng)是(shi)(shi)早日收回投資(zi),同時取得高額的回報,這是(shi)(shi)風險(xian)投資(zi)公司循環運轉的關鍵環節(jie)。經過若(ruo)干年,無論風險(xian)企(qi)業(ye)取得成功還是(shi)(shi)面臨失敗,風險(xian)投資(zi)公司都會從(cong)風險(xian)企(qi)業(ye)中(zhong)退(tui)出(chu)。退(tui)出(chu)方式(shi)根據被投資(zi)企(qi)業(ye)的經營狀況和外部金融環境的不(bu)同有以一下3種(zhong)方式:
a.公(gong)開發行上市(shi)。這(zhe)是風(feng)險資(zi)(zi)本退(tui)出的(de)(de)一(yi)種主要(yao)方(fang)式。風(feng)險投(tou)(tou)資(zi)(zi)資(zi)(zi)公(gong)司可將其持有(you)的(de)(de)股(gu)票在二級(ji)市(shi)場中套現,收(shou)回(hui)投(tou)(tou)資(zi)(zi)和收(shou)益。但(dan)要(yao)做到這(zhe)一(yi)步(bu),風(feng)險企業必(bi)須經營狀況良好(hao),財務結構健全,具有(you)持續成(cheng)長的(de)(de)潛(qian)力,并符合政府、法(fa)律(lv)對上市(shi)公(gong)司的(de)(de)規定,只有(you)少數的(de)(de)風(feng)險投(tou)(tou)資(zi)(zi)項(xiang)目(mu)能以這(zhe)種方(fang)式完(wan)成(cheng)。
b.兼并與(yu)收購(gou)。由于企(qi)業(ye)(ye)業(ye)(ye)績(ji)成(cheng)長(chang)預(yu)期(qi)、時機選擇以及其(qi)他因(yin)素,企(qi)業(ye)(ye)不能公(gong)開發行股票上市,無法公(gong)開出(chu)售股票期(qi)權(quan),最(zui)終以收購(gou)的(de)方(fang)式作為(wei)風險資(zi)本(ben)的(de)退出(chu)方(fang)式。風險投資(zi)公(gong)司將(jiang)所持(chi)風險投資(zi)企(qi)業(ye)(ye)的(de)股份轉讓(rang)給(gei)其(qi)它投資(zi)者。
c.公(gong)司清產。被投資的風(feng)險(xian)企業因經營不善等原因宣布破產,進行公(gong)司清算,風(feng)險(xian)投資的高(gao)風(feng)險(xian)就反映在高(gao)比例的失敗上。
(5)總結
當風險投資家確認投資不可能再有所發展或者成長過于緩慢,難以在一定時期取得高額回報,就會果斷退出,將退回的資金用于下一輪投資,如造成損失只能由成功的投資項目來彌補。風險投資的(de)退出(chu)是(shi)風(feng)(feng)險(xian)(xian)(xian)投(tou)資(zi)(zi)(zi)過程中(zhong)一(yi)個不可缺的(de)關鍵(jian)環節,只(zhi)(zhi)有當風(feng)(feng)險(xian)(xian)(xian)投(tou)資(zi)(zi)(zi)能(neng)(neng)夠(gou)(gou)順利(li)(li)地退出(chu),才能(neng)(neng)為投(tou)資(zi)(zi)(zi)者(zhe)帶來他(ta)們(men)所預(yu)期的(de)投(tou)資(zi)(zi)(zi)收益(yi),才能(neng)(neng)使他(ta)們(men)對風(feng)(feng)險(xian)(xian)(xian)投(tou)資(zi)(zi)(zi)產生興趣,提供資(zi)(zi)(zi)金。只(zhi)(zhi)有在風(feng)(feng)險(xian)(xian)(xian)資(zi)(zi)(zi)金從前一(yi)次風(feng)(feng)險(xian)(xian)(xian)投(tou)資(zi)(zi)(zi)項目中(zhong)退出(chu)后,它才能(neng)(neng)夠(gou)(gou)被再次利(li)(li)用(yong)(yong)到新(xin)項目中(zhong),使總量確定(ding)的(de)資(zi)(zi)(zi)金、人力資(zi)(zi)(zi)源(yuan)和物(wu)力資(zi)(zi)(zi)源(yuan)能(neng)(neng)夠(gou)(gou)得到循環利(li)(li)用(yong)(yong),不間斷地推動(dong)以高利(li)(li)技、創新(xin)企(qi)業為中(zhong)心的(de)風(feng)(feng)險(xian)(xian)(xian)投(tou)資(zi)(zi)(zi)企(qi)業的(de)發展和壯大,業其(qi)能(neng)(neng)持續(xu)地發揮其(qi)催化和促進作用(yong)(yong)。
風險投資的運作模式:
一、要素資源聯結和整合機制
如果把風(feng)(feng)(feng)險(xian)投(tou)資(zi)(zi)的(de)(de)運作(zuo)從縱向鏈(lian)條上來看的(de)(de)話,一個(ge)(ge)完整的(de)(de)風(feng)(feng)(feng)險(xian)投(tou)資(zi)(zi)的(de)(de)運作(zuo)鏈(lian)條是可以(yi)(yi)從投(tou)資(zi)(zi)者將自己的(de)(de)資(zi)(zi)本投(tou)資(zi)(zi)投(tou)向風(feng)(feng)(feng)險(xian)投(tou)資(zi)(zi)公司開始(shi)算(suan)起的(de)(de),中(zhong)間經歷了風(feng)(feng)(feng)險(xian)投(tou)資(zi)(zi)公司將風(feng)(feng)(feng)險(xian)投(tou)資(zi)(zi)投(tou)向風(feng)(feng)(feng)險(xian)企業(ye),風(feng)(feng)(feng)險(xian)企業(ye)的(de)(de)成長(chang),到最后(hou)風(feng)(feng)(feng)險(xian)投(tou)資(zi)(zi)的(de)(de)退出。這種鏈(lian)條上的(de)(de)每一個(ge)(ge)環節或階(jie)(jie)段都(dou)可以(yi)(yi)形成一個(ge)(ge)獨(du)立的(de)(de)運作(zuo)過程,而風(feng)(feng)(feng)險(xian)投(tou)資(zi)(zi)運作(zuo)的(de)(de)順(shun)利進行(xing)要(yao)求前(qian)一個(ge)(ge)環節或階(jie)(jie)段必須按照(zhao)順(shun)序向下一個(ge)(ge)環節或階(jie)(jie)段依次遞(di)進,這就形成了一個(ge)(ge)依次連(lian)接(jie)的(de)(de)鏈(lian)條。
二、市場多重篩選和過濾機制
市(shi)(shi)場(chang)中所發生的(de)(de)(de)(de)各(ge)種關(guan)系(xi)都可(ke)以共同(tong)地歸結為市(shi)(shi)場(chang)交(jiao)易關(guan)系(xi),由于買者和(he)賣者的(de)(de)(de)(de)多元性,使得買者和(he)賣者都有(you)(you)機會選(xuan)(xuan)(xuan)擇自(zi)己的(de)(de)(de)(de)交(jiao)易伙伴。在(zai)市(shi)(shi)場(chang)的(de)(de)(de)(de)篩選(xuan)(xuan)(xuan)和(he)過(guo)(guo)濾機制作用(yong)下,市(shi)(shi)場(chang)中的(de)(de)(de)(de)交(jiao)易雙(shuang)(shuang)方彼此(ci)都如同(tong)橫在(zai)對方面前的(de)(de)(de)(de)一張網(wang)(wang),只有(you)(you)相互(hu)通過(guo)(guo)對面的(de)(de)(de)(de)網(wang)(wang)眼(yan),雙(shuang)(shuang)方才(cai)能(neng)通過(guo)(guo)對方的(de)(de)(de)(de)篩選(xuan)(xuan)(xuan),才(cai)能(neng)通過(guo)(guo)所謂的(de)(de)(de)(de)市(shi)(shi)場(chang)選(xuan)(xuan)(xuan)擇和(he)市(shi)(shi)場(chang)檢驗。風險投資(zi)運作中的(de)(de)(de)(de)市(shi)(shi)場(chang)篩選(xuan)(xuan)(xuan)和(he)過(guo)(guo)濾機制表現(xian)為一種多重篩選(xuan)(xuan)(xuan)和(he)過(guo)(guo)濾。中間有(you)(you)一環發生斷(duan)裂(lie),風險投資(zi)的(de)(de)(de)(de)運作即(ji)不(bu)能(neng)往前進行或半途而廢。
三、股權的運作機制
風(feng)險(xian)(xian)投(tou)資運作(zuo)中的(de)股(gu)(gu)(gu)權(quan)(quan)彈(dan)性機制(zhi)。風(feng)險(xian)(xian)投(tou)資公司或(huo)風(feng)險(xian)(xian)投(tou)資家與風(feng)險(xian)(xian)企(qi)(qi)(qi)業(ye)(ye)或(huo)創業(ye)(ye)家一(yi)起對風(feng)險(xian)(xian)企(qi)(qi)(qi)業(ye)(ye)的(de)股(gu)(gu)(gu)權(quan)(quan)安排的(de)股(gu)(gu)(gu)權(quan)(quan)形式(shi)(shi)較多(duo)(duo)、可(ke)選擇(ze)性較強。在風(feng)險(xian)(xian)企(qi)(qi)(qi)業(ye)(ye)的(de)股(gu)(gu)(gu)權(quan)(quan)安排中,一(yi)般都(dou)可(ke)以(yi)(yi)采取多(duo)(duo)種股(gu)(gu)(gu)權(quan)(quan)形式(shi)(shi)的(de)動(dong)態組合方(fang)式(shi)(shi)來設置股(gu)(gu)(gu)權(quan)(quan),都(dou)可(ke)以(yi)(yi)采取諸如普通股(gu)(gu)(gu)、優先股(gu)(gu)(gu)、股(gu)(gu)(gu)票期權(quan)(quan)、認購權(quan)(quan)等股(gu)(gu)(gu)權(quan)(quan)形式(shi)(shi)和交易工具中的(de)一(yi)種或(huo)幾種來進行雙(shuang)(shuang)方(fang)的(de)股(gu)(gu)(gu)權(quan)(quan)及其(qi)他權(quan)(quan)益方(fang)面的(de)協調。風(feng)險(xian)(xian)投(tou)資運作(zuo)中的(de)股(gu)(gu)(gu)權(quan)(quan)形式(shi)(shi)的(de)彈(dan)性機制(zhi),增加(jia)了風(feng)險(xian)(xian)企(qi)(qi)(qi)業(ye)(ye)股(gu)(gu)(gu)權(quan)(quan)安排的(de)靈(ling)活性,除了普通股(gu)(gu)(gu)以(yi)(yi)外,其(qi)他的(de)股(gu)(gu)(gu)權(quan)(quan)形式(shi)(shi)的(de)運用往(wang)往(wang)可(ke)以(yi)(yi)對交易雙(shuang)(shuang)方(fang)的(de)權(quan)(quan)益起到一(yi)種延伸、補償(chang)和平衡作(zuo)用,有利(li)于(yu)(yu)加(jia)強雙(shuang)(shuang)方(fang)的(de)聯系和合作(zuo),有利(li)于(yu)(yu)風(feng)險(xian)(xian)企(qi)(qi)(qi)業(ye)(ye)成長的(de)內部激勵機制(zhi)的(de)形成。
四、外部協同運作機制
風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)投(tou)(tou)(tou)(tou)(tou)資公(gong)司(si)(si)與(yu)風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)企(qi)(qi)業(ye)(ye)(ye)之(zhi)(zhi)間(jian)(jian)(jian)的(de)(de)(de)(de)協(xie)同(tong)(tong),風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)投(tou)(tou)(tou)(tou)(tou)資公(gong)司(si)(si)和風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)企(qi)(qi)業(ye)(ye)(ye)之(zhi)(zhi)間(jian)(jian)(jian)是相(xiang)互(hu)(hu)獨立的(de)(de)(de)(de)企(qi)(qi)業(ye)(ye)(ye)個(ge)體,它(ta)們(men)之(zhi)(zhi)間(jian)(jian)(jian)不能相(xiang)互(hu)(hu)取代或相(xiang)互(hu)(hu)替代,它(ta)們(men)之(zhi)(zhi)間(jian)(jian)(jian)的(de)(de)(de)(de)聯(lian)系是兩個(ge)不同(tong)(tong)個(ge)體之(zhi)(zhi)間(jian)(jian)(jian)的(de)(de)(de)(de)資本(ben)權益方面的(de)(de)(de)(de)聯(lian)系。風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)投(tou)(tou)(tou)(tou)(tou)資公(gong)司(si)(si)與(yu)風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)企(qi)(qi)業(ye)(ye)(ye)之(zhi)(zhi)間(jian)(jian)(jian)也(ye)必須相(xiang)互(hu)(hu)協(xie)同(tong)(tong),風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)投(tou)(tou)(tou)(tou)(tou)資運作中風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)投(tou)(tou)(tou)(tou)(tou)資公(gong)司(si)(si)與(yu)風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)企(qi)(qi)業(ye)(ye)(ye)之(zhi)(zhi)間(jian)(jian)(jian)的(de)(de)(de)(de)協(xie)同(tong)(tong)機(ji)制是一種強(qiang)制性的(de)(de)(de)(de)協(xie)同(tong)(tong)機(ji)制。風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)投(tou)(tou)(tou)(tou)(tou)資最終能否得(de)到預期(qi)的(de)(de)(de)(de)增值回報,風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)企(qi)(qi)業(ye)(ye)(ye)能否實現預期(qi)的(de)(de)(de)(de)成長(chang)目標,取決于風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)投(tou)(tou)(tou)(tou)(tou)資公(gong)司(si)(si)與(yu)風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)企(qi)(qi)業(ye)(ye)(ye)之(zhi)(zhi)間(jian)(jian)(jian)能否形成相(xiang)應的(de)(de)(de)(de)協(xie)同(tong)(tong)機(ji)制和協(xie)同(tong)(tong)能力。它(ta)們(men)之(zhi)(zhi)間(jian)(jian)(jian)協(xie)同(tong)(tong)機(ji)制的(de)(de)(de)(de)形成來(lai)源于它(ta)們(men)之(zhi)(zhi)間(jian)(jian)(jian)圍繞(rao)著風(feng)(feng)(feng)(feng)(feng)險(xian)(xian)(xian)企(qi)(qi)業(ye)(ye)(ye)成長(chang)目標的(de)(de)(de)(de)相(xiang)互(hu)(hu)調適和相(xiang)互(hu)(hu)配(pei)合。
五、價值變換的靈敏響應機制
從價值創造的角度來看,風險投資的運(yun)(yun)(yun)動(dong)(dong)過(guo)程(cheng)(cheng)表現(xian)為(wei)一(yi)個價值發現(xian)和(he)(he)價值增值的過(guo)程(cheng)(cheng)。從風(feng)險(xian)(xian)投資(zi)的運(yun)(yun)(yun)作(zuo)角(jiao)度而(er)言(yan),風(feng)險(xian)(xian)投資(zi)的運(yun)(yun)(yun)動(dong)(dong)過(guo)程(cheng)(cheng)可以(yi)看做是(shi)一(yi)個由風(feng)險(xian)(xian)投資(zi)公司(si)和(he)(he)風(feng)險(xian)(xian)企(qi)業(ye)相(xiang)互結合在一(yi)起的運(yun)(yun)(yun)作(zuo)過(guo)程(cheng)(cheng)。在風(feng)險(xian)(xian)投資(zi)的運(yun)(yun)(yun)作(zuo)過(guo)程(cheng)(cheng)中(zhong),從風(feng)險(xian)(xian)投資(zi)運(yun)(yun)(yun)作(zuo)中(zhong)所涉及的主體即風(feng)險(xian)(xian)投資(zi)公司(si)和(he)(he)風(feng)險(xian)(xian)企(qi)業(ye)的角(jiao)度而(er)言(yan),較之(zhi)于其(qi)他的資(zi)本運(yun)(yun)(yun)作(zuo)或(huo)企(qi)業(ye)運(yun)(yun)(yun)作(zuo),風(feng)險(xian)(xian)投資(zi)在價值變換(huan)中(zhong)的運(yun)(yun)(yun)作(zuo)突出(chu)地表現(xian)為(wei)一(yi)種更(geng)加靈敏(min)的響應機制(zhi)。