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一(yi)、成(cheng)品的優勢(shi)：
實(shi)踐(jian)(jian)(jian)室性(xing)臺(tai)含有較(jiao)(jiao)成(cheng)熟的(de)平(ping)安(an)保護(hu)預(yu)防措施(shi)預(yu)防措施(shi)，較(jiao)(jiao)其(qi)全(quan)的(de)功效。電(dian)(dian)(dian)(dian)工(gong)維修部(bu)、機(ji)械抑制(zhi)實(shi)踐(jian)(jian)(jian)室性(xing)元器(qi)件(jian)(jian)封(feng)裝(zhuang)運用(yong)(yong)適用(yong)(yong)性(xing)強(qiang)(qiang)的(de)版塊式掛箱(xiang)；在(zai)實(shi)踐(jian)(jian)(jian)室性(xing)屏上提交(jiao)實(shi)踐(jian)(jian)(jian)室性(xing)，實(shi)踐(jian)(jian)(jian)室性(xing)工(gong)藝(yi)協調性(xing)，下手業務能力強(qiang)(qiang)，實(shi)踐(jian)(jian)(jian)室性(xing)連(lian)線觸點開關遇(yu)到穩定，具(ju)有多種強(qiang)(qiang)度，多種維度的(de)教學(xue)法(fa)條(tiao)件(jian)(jian)。數電(dian)(dian)(dian)(dian)、模電(dian)(dian)(dian)(dian)在(zai)九(jiu)孔萬能電(dian)(dian)(dian)(dian)源(yuan)集(ji)(ji)成(cheng)集(ji)(ji)成(cheng)運放(fang)(fang)板(ban)板(ban)掛箱(xiang)上提交(jiao)，不同實(shi)踐(jian)(jian)(jian)室性(xing)很復雜方面(mian)篩選中(zhong)掛箱(xiang)數為(wei)，不同實(shi)踐(jian)(jian)(jian)室性(xing)電(dian)(dian)(dian)(dian)源(yuan)集(ji)(ji)成(cheng)運放(fang)(fang)板(ban)在(zai)萬能電(dian)(dian)(dian)(dian)源(yuan)集(ji)(ji)成(cheng)集(ji)(ji)成(cheng)運放(fang)(fang)板(ban)板(ban)上拼插實(shi)踐(jian)(jian)(jian)室性(xing)電(dian)(dian)(dian)(dian)源(yuan)集(ji)(ji)成(cheng)運放(fang)(fang)板(ban)，實(shi)踐(jian)(jian)(jian)室性(xing)器(qi)件(jian)(jian)加工(gong)成(cheng)透明體技術創新版塊，抽象思(si)維性(xing)好，盒蓋(gai)印有永遠氧化器(qi)件(jian)(jian)遺漏，裝(zhuang)飾線條(tiao)明確美化。盒體與(yu)盒蓋(gai)通過運用(yong)(yong)較(jiao)(jiao)科學(xue)的(de)的(de)壓(ya)卡式節構(gou)特征，維修部(bu)、換新器(qi)件(jian)(jian)拆解利于。該實(shi)踐(jian)(jian)(jian)室性(xing)臺(tai)節構(gou)特征適當合理，培訓機(ji)構(gou)可于時按(an)需用(yong)(yong)更(geng)具(ju)新的(de)版塊掛箱(xiang)，協調性(xing)、經(jing)濟增長。
二(er)、適合位置：
支持于(yu)高等教育專(zhuan)(zhuan)科大學(xue)及需(xu)求較(jiao)高的(de)中(zhong)專(zhuan)(zhuan)生、崗位(wei)(wei)中(zhong)小學(xue)院、崗位(wei)(wei)中(zhong)小學(xue)院，可到位(wei)(wei)低壓(ya)(ya)低壓(ya)(ya)電(dian)工(gong)學(xue)、低壓(ya)(ya)低壓(ya)(ya)電(dian)工(gong)工(gong)作原理、三極管系統定性(xing)分析、模以(yi)電(dian)子器件科技、數字6三極管系統、電(dian)氣開關保持設施專(zhuan)(zhuan)用(yong)(yong)機(ji) 等的(de)課程進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)實(shi)(shi)驗(yan)報告。該設施專(zhuan)(zhuan)用(yong)(yong)機(ji) 是(shi)當下進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)實(shi)(shi)驗(yan)報告室(shi)設施專(zhuan)(zhuan)用(yong)(yong)機(ji) 的(de)發布換代或新創建(jian)、改(gai)擴建(jian)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)實(shi)(shi)驗(yan)報告室(shi)的(de)良(liang)好好產品，它的(de)購(gou)置是(shi)中(zhong)小學(xue)院下水平(ping)、上平(ping)衡(heng)等級(ji)的(de)更(geng)重要標志圖片。
三(san)、研(yan)(yan)究(jiu)(jiu)臺、研(yan)(yan)究(jiu)(jiu)屏和研(yan)(yan)究(jiu)(jiu)基本操作桌構造(zao)及(ji)效果：
1、實驗設計臺組(zu)成部(bu)分與(yu)性能(neng)參數
1.1.電原(yuan)及參數(shu)值
1.1.1錄入(ru)外接電源模(mo)塊(kuai):三(san)相(xiang)四線制(zhi)四線外接電源模(mo)塊(kuai)，錄入(ru)時指(zhi)的是燈亮
1.1.2外接電源打出(chu)：有(you)人(ren)壽保險絲和漏電保護措(cuo)施措(cuo)施旋轉開關2級保護措(cuo)施措(cuo)施功用。
A組(zu):單、220V電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)四(si)線制可(ke)以(yi)的調(diao)(diao)(diao)節(jie)討(tao)論(lun)會電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)原(yuan)，提高(gao)220V電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)四(si)線制0～380V連繼(ji)(ji)可(ke)以(yi)的調(diao)(diao)(diao)節(jie)的討(tao)論(lun)會電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)原(yuan)，同一(yi)可(ke)求至(zhi)0～250V220V電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)可(ke)以(yi)的調(diao)(diao)(diao)節(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)原(yuan)(要配一(yi)套1.5KVA的220V電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)四(si)線制自耦調(diao)(diao)(diao)壓(ya)(ya)器，要配三只指南式討(tao)論(lun)會端瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)值(zhi)(zhi)(zhi)(zhi)表，標(biao)(biao)示(shi)調(diao)(diao)(diao)壓(ya)(ya)器輸(shu)(shu)(shu)送(song)(song)端瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)值(zhi)(zhi)(zhi)(zhi))。 B組(zu):高(gao)壓(ya)(ya)血壓(ya)(ya)低壓(ya)(ya)高(gao)討(tao)論(lun)會端瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)值(zhi)(zhi)(zhi)(zhi)3－24V分七檔可(ke)以(yi)的調(diao)(diao)(diao)節(jie)，上(shang)限(xian)輸(shu)(shu)(shu)送(song)(song)瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)1.5A，瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)表標(biao)(biao)示(shi)。 C組(zu):高(gao)壓(ya)(ya)血壓(ya)(ya)低壓(ya)(ya)高(gao)整流(liu)(liu)(liu)穩(wen)(wen)光(guang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)探測(ce)器原(yuan)，端瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)值(zhi)(zhi)(zhi)(zhi)5V，瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)0.5A，瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)表標(biao)(biao)示(shi)。 D組(zu):雙路穩(wen)(wen)流(liu)(liu)(liu)穩(wen)(wen)光(guang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)探測(ce)器原(yuan)，二路輸(shu)(shu)(shu)送(song)(song)端瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)值(zhi)(zhi)(zhi)(zhi)均為(wei)0～30V，由多圈電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)號碼(ma)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位器連繼(ji)(ji)的調(diao)(diao)(diao)節(jie)，輸(shu)(shu)(shu)送(song)(song)上(shang)限(xian)瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)為(wei)1.5A，每路電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)原(yuan)輸(shu)(shu)(shu)送(song)(song)有(you)0.5級(ji)號碼(ma)瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)表、端瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)值(zhi)(zhi)(zhi)(zhi)表標(biao)(biao)示(shi)。端瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)值(zhi)(zhi)(zhi)(zhi)動態(tai)平衡度<10－2，阻(zu)抗(kang)動態(tai)平衡度<10－2，紋波端瞬(shun)(shun)(shun)(shun)時(shi)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)感(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)(gan)應(ying)(ying)(ying)(ying)(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)值(zhi)(zhi)(zhi)(zhi): <5mV。 E組(zu):220V電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)討(tao)論(lun)會市電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)輸(shu)(shu)(shu)送(song)(song)，供普通用(yong)戶(hu)自購設配用(yong)到。
1.2工作電(dian)壓輸出電(dian)壓方(fang)程(cheng)造(zao)成(cheng)器(qi)：
1）所使用(yong)(yong)就直接性(xing)阿拉(la)伯數(shu)(shu)(shu)字5頻(pin)(pin)(pin)次(ci)(ci)煉(lian)制（DDS）出(chu)現(xian)(xian)高(gao)控制精度(du)余弦(xian)(xian)函(han)數(shu)(shu)(shu)交流電波(bo)(bo)，方(fang)波(bo)(bo)和(he)(he)四角波(bo)(bo)。所使用(yong)(yong)表現(xian)(xian)液(ye)晶屏LCD表現(xian)(xian)投入(ru)(ru)(ru)內(nei)(nei)(nei)(nei)容(rong)效(xiao)果頻(pin)(pin)(pin)次(ci)(ci)、余弦(xian)(xian)函(han)數(shu)(shu)(shu)波(bo)(bo)形，衰減值。 2）余弦(xian)(xian)函(han)數(shu)(shu)(shu)交流電波(bo)(bo)投入(ru)(ru)(ru)內(nei)(nei)(nei)(nei)容(rong)效(xiao)果力度(du)≥10V,投入(ru)(ru)(ru)內(nei)(nei)(nei)(nei)容(rong)效(xiao)果特性(xing)阻抗50Ω，模(mo)糊度(du)<1%（0.1HZ-- 1KHz）。 3）頻(pin)(pin)(pin)次(ci)(ci)比(bi)率(lv)圖內(nei)(nei)(nei)(nei): 0.1HZ~3MHz, 所使用(yong)(yong)機械鍵盤就直接性(xing)投入(ru)(ru)(ru)阿拉(la)伯數(shu)(shu)(shu)字5確定頻(pin)(pin)(pin)次(ci)(ci),。 4）投入(ru)(ru)(ru)內(nei)(nei)(nei)(nei)容(rong)效(xiao)果力度(du)所使用(yong)(yong)電極(ji)變阻器可(ke)(ke)(ke)以(yi)(yi)調整，余弦(xian)(xian)函(han)數(shu)(shu)(shu)交流電波(bo)(bo)投入(ru)(ru)(ru)內(nei)(nei)(nei)(nei)容(rong)效(xiao)果擁有20db,40db衰減。 5）方(fang)波(bo)(bo)占空比(bi)可(ke)(ke)(ke)以(yi)(yi)調整, 可(ke)(ke)(ke)以(yi)(yi)調整比(bi)率(lv)圖內(nei)(nei)(nei)(nei)：1%-99%可(ke)(ke)(ke)以(yi)(yi)調整；方(fang)波(bo)(bo)和(he)(he)四角波(bo)(bo)所使用(yong)(yong)TTL電平投入(ru)(ru)(ru)內(nei)(nei)(nei)(nei)容(rong)效(xiao)果。 6）頻(pin)(pin)(pin)次(ci)(ci)計最高(gao)的(de)檢測的(de)比(bi)率(lv)圖內(nei)(nei)(nei)(nei)100MHz，重(zhong)新換(huan)檔。
1.3一(yi)次(ci)智能(neng):每一(yi)次(ci)的(de)可輸出(chu)精度1對 -智能(neng)。
1.4語音(yin)軟(ruan)件工(gong)率(lv)變(bian)成器：輸入(ru)語音(yin)軟(ruan)件 的電壓不(bu)不(bu)超10mV，輸入(ru)工(gong)率(lv)不(bu)高于1W，音(yin)量可(ke)以調節(jie)，內有麥克風，使(shi)用于變(bian)成電路(lu)系統擴音(yin)，也能(neng)作(zuo)網絡信號(hao)尋跡。
1.5七段譯(yi)碼(ma)器：3組七段譯(yi)碼(ma)器及匹配(pei)譯(yi)碼(ma)體(ti)現 數碼(ma)圖文管。
1.6接(jie)地阻值：>5MΩ
1.7漏電愛護：漏電小動作電流值≤30MA
２、研究屏：
2.1外測直流(liu)(liu)電壓電流(liu)(liu)量(liang)表：精密度０.５級，二位半數值(zhi)式表明(ming)，測定標準(zhun)０～1000uA。
2.2外測(ce)(ce)整流電流大(da)小表：精(jing)準度０.５級，多(duo)位半(ban)數(shu)字(zi)5式(shi)凸(tu)顯，估(gu)測(ce)(ce)空間０～10mA。
2.3外測(ce)電(dian)壓電(dian)壓表(biao)：的精密度０.５級，兩位半金額式(shi)展現(xian)，測(ce)定區(qu)域０～100mA。
2.4外測感應電(dian)流(liu)感應電(dian)流(liu)表：導致精度０.５級，三維(wei)半金額式提示(shi)，預估區(qu)域０～1000mA。
2.5外測洽談功率表(biao)：高(gao)精(jing)度(du)０.５級(ji)，兩(liang)位(wei)半金(jin)額式體現，在線測量的范圍０～100mA。
2.6外測學習(xi)交流直(zhi)流電表：計(ji)算精(jing)度(du)０.５級，兩位半(ban)阿拉伯數字式表明，測試比(bi)率０～1000mA。
2.7四路直流電壓插(cha)座就(jiu)多(duo)留幾個：與人員配(pei)備的直流電壓插(cha)頭線(xian)配(pei)套方案(an)便用(yong)，在(zai)檢測中確(que)保一表多(duo)測。
2.8結構體(ti)指針式工作馬(ma)(ma)力(li)因素表(biao)：外(wai)測科學實驗集成運放工作馬(ma)(ma)力(li)因素，2.5級。
2.9表針式±100uA電流值表，1.5級，外測(ce)。
2.10指南(nan)10mA直流電表，1.5級，外測(ce)。
2.11檢測(ce)低壓(ya)變壓(ya)器(qi)：100W，220V/36V+110V，接法端已由蓋板(ban)接法柱引入，檢測(ce)便。
2.12光照(zhao)(zhao)燈(deng)(deng)燈(deng)(deng)飾照(zhao)(zhao)明(ming)燈(deng)(deng)具(ju)、調查(cha)(cha)二用(yong)水路：由選取按鈕控制光照(zhao)(zhao)燈(deng)(deng)為調查(cha)(cha)用(yong)或燈(deng)(deng)飾照(zhao)(zhao)明(ming)燈(deng)(deng)具(ju)用(yong)。調查(cha)(cha)端(duan)口(kou)設置(zhi)已利用(yong)連(lian)接線柱引(yin)出來，鎮(zhen)流器、光照(zhao)(zhao)燈(deng)(deng)、開啟器已裝在調查(cha)(cha)屏內。
2.13研究屏(ping)東南部：研究功能掛(gua)箱(xiang)研究時安(an)在(zai)(zai)位(wei)址。掛(gua)箱(xiang)替換，安(an)在(zai)(zai)方便簡潔(jie)。
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