SYSNX-68F字母/模(mo)似(si)仿真線路實(shi)(shi)驗(yan)(yan)箱是通(tong)過最新信息的(de)(de)課堂(tang)目錄中斷定的(de)(de)課堂(tang)實(shi)(shi)驗(yan)(yan)規定要求(qiu)為(wei)依(yi)據，蘊藏了更(geng)多(duo)職業(ye)幼兒教(jiao)師的(de)(de)課堂(tang)工作(zuo)(zuo)經驗(yan)(yan)，并綜(zong)合了更(geng)多(duo)相似(si)的(de)(de)產品的(de)(de)獨到之處而(er)設汁(zhi)制作(zuo)(zuo)的(de)(de)。它函蓋了《模(mo)似(si)仿真手(shou)機技術性(xing)依(yi)據》及(ji)《字母線路依(yi)據》學科(ke)大部位的(de)(de)實(shi)(shi)驗(yan)(yan)方式，既為(wei)初學生具(ju)(ju)備了認證性(xing)實(shi)(shi)驗(yan)(yan)線路，又(you)為(wei)學科(ke)設汁(zhi)制作(zuo)(zuo)具(ju)(ju)備了存儲工作(zuo)(zuo)平臺(tai)。

一、軟件系統亮點

1、加密性(xing)(xing)(xing)(xing)強。調(diao)(diao)查操作(zuo)性(xing)(xing)(xing)(xing)箱芯片組(zu)標(biao)(biao)準配置有(you)電(dian)、模(mo)電(dian)調(diao)(diao)查操作(zuo)性(xing)(xing)(xing)(xing)時一般用上的(de)(de)24v電(dian)源(yuan)(yuan)、衛星(xing)信號源(yuan)(yuan)、輸入(ru)主板(ban)電(dian)源(yuan)(yuan)接口，打印(yin)輸出體現 主板(ban)電(dian)源(yuan)(yuan)接口、在(zai)測量標(biao)(biao)段、調(diao)(diao)查操作(zuo)性(xing)(xing)(xing)(xing)加密區，及(ji)調(diao)(diao)查操作(zuo)性(xing)(xing)(xing)(xing)模(mo)組(zu)用電(dian)線路，以來完成(cheng)各種(zhong)的(de)(de)調(diao)(diao)查操作(zuo)性(xing)(xing)(xing)(xing)，也都可以采取拓展課來設計調(diao)(diao)查操作(zuo)性(xing)(xing)(xing)(xing)，極(ji)大程(cheng)度(du)上資料了該調(diao)(diao)查操作(zuo)性(xing)(xing)(xing)(xing)箱的(de)(de)適于性(xing)(xing)(xing)(xing)、加密性(xing)(xing)(xing)(xing)。

2、實驗關(guan)(guan)鍵技術(shu)圖都包(bao)裝印刷在實驗板面上，實驗集(ji)成運放由大(da)家依照實驗關(guan)(guan)鍵技術(shu)圖對其進行可用于，既提升了大(da)家的(de)(de)單獨想法的(de)(de)意(yi)識及動手拆裝的(de)(de)意(yi)識。

3、調查連(lian)線插孔用到夾(jia)緊式鑲金插孔，使(shi)用補焊緊固在調查板(ban)上(shang)，不裂(lie)開，不氧化的，壽命長，接靠普，修補利于、試位；

4、24v電源(yuan)的輸出均起過(guo)流(liu)保證，智(zhi)能復原效果。

5、科學試驗箱由集成型鉛不銹鋼(gang)鋼(gang)材制得，膽機機箱粘緊穩定可信(xin)，始(shi)終不變形，重量(liang)體積輕，絕緣電阻平(ping)安耐熱性好，旋轉開關箱蓋便利(li)穩定可信(xin)，外光美觀大氣，造形氣派。

二、操作系統成分

1、電(dian)壓：輸人：AC 220V±10%，50HZ 打出：※DC：+5V， I ≥1A ※DC：±12V，I ≥0.2A ※DC：-5V～-12V可以調整(zheng)， I ≥0.2A ※DC：＋5V～＋27V可以調整(zheng)，I ≥0.2A 之上各方打出均(jun)做過流保護區(qu)，定(ding)時(shi)修(xiu)復工作(zuo) ※AC V:7.5V×2；AC I≥0.15A

2、直流(liu)電壓信息源： 雙路 –0.5V～＋0.5V；–5V～＋5V兩檔連(lian)續不斷調(diao)節器.

3、函數(shu)發生(sheng)器：輸出頻率：2Hz～90KHz，分四檔 可輸出 方波(bo)（ 0～20V）、三角波(bo)（ 0～15V）、正弦波(bo)（ 0～10V）

4、人(ren)工(gong)機械單激光(guang)脈(mo)寬發生器(qi)電路系統2組(zu)（帶消抖）：每組(zu)可(ke)時候工(gong)作輸出極性3個(ge)激光(guang)脈(mo)寬發生器(qi)，激光(guang)脈(mo)寬發生器(qi)幅(fu)臨界(jie)值TTL電平。

5、特定頻率脈沖發(fa)生器源10路，輸出精度為TTL電平：1Hz、10Hz、100Hz、1KHz、10KHz、100KHz、500KHz、1MHz、5MHz、10MHz；

6、大數字LED顯現：

（1）LED0～LED3由4位七(qi)段共陰LED手機數(shu)碼(ma)管(guan)及二～十進(jin)制譯碼(ma)器構造(zao)

（2）LED4～LED5兩(liang)名七段段碼a.b.c.d.e.f.g.h經內阻到插孔。

7、十三位道理(li)電(dian)平鍵盤投(tou)入電(dian)源開關：可鍵盤投(tou)入低電(dian)平‘0’、高電(dian)平‘1’（為正(zheng)道理(li)）。

8、12位邏緝電平(ping)(ping)提(ti)示燈：提(ti)示燈亮標識高電平(ping)(ping)‘1’，提(ti)示燈滅標識低電平(ping)(ping)‘0’。

9、BCD碼(ma)撥碼(ma)盤1組、可所產生(sheng)四組BCD碼(ma)數值(zhi)預(yu)警

10、4位自(zi)然(ran)數頻點計(ji)：測試(shi)區(qu)域 0～1MHz，用來作為測試(shi)方(fang)波、半圓(yuan)波、正弦交(jiao)流電(dian)波；

11、送(song)話器(qi)及win7驅(qu)動用電線(xian)路。是數字時鐘報時、告警(jing)、自(zi)身用的頭腔(qiang)共(gong)鳴器(qi)。

12、電勢器組：1K、10K、100K、1M各1只；

13、休館式(shi)檢測(ce)區（零件(jian)庫(ku)）：供給10只(zhi)夾緊插板(ban)（3只(zhi)14芯(xin)、6只(zhi)16芯(xin)），另1只(zhi)40芯(xin)夾緊插板(ban)。供給熱敏電(dian)(dian)阻、濾(lv)波電(dian)(dian)容(rong)、場效應管(guan)、晶(jing)體管(guan)、三端穩壓塊等(deng)零件(jian)。

14、實驗英文控制(zhi)器(qi)電路設(she)計(ji)：

（1）整流濾波電(dian)路設(she)計（2）并接(jie)穩(wen)光電(dian)探測(ce)器路設(she)計（3）可調節為穩(wen)光電(dian)探測(ce)器路設(she)計 （4）功效增(zeng)加器 （5）整合運電(dian)池充電(dian)路設(she)計

15、所有 電磁波的填(tian)寫轉換插孔(kong)均進行鍍銀孔(kong)，不被氧化、沒變(bian)色，排(pai)斥優良。

16、鋁鎳鋼(gang)實驗操作外箱，防火等級板(ban)料(liao)，牢固牢固，式樣整(zheng)齊、大度。 造型長(chang)度: 520mm × 420mm × 100mm

三、進(jin)行實(shi)驗(yan)建設(she)項目

（一）模電實驗操作

1、最常見(jian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子廠機(ji)(ji)(ji)器(qi)(qi)(qi)設備食用(yong)訓練、用(yong)萬用(yong)表(biao)檢(jian)驗(yan)(yan)(yan)檢(jian)驗(yan)(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子元器(qi)(qi)(qi)件大家庭中的一員-二極管、晶(jing)體管參(can)數(shu)(shu)設置表(biao) 2、立(li)式(shi)離(li)心泵變(bian)(bian)小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 3、多級變(bian)(bian)小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 4、負反饋意見(jian)變(bian)(bian)小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 5、射極拖動器(qi)(qi)(qi) 6、差(cha)動變(bian)(bian)小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 7、模(mo)塊(kuai)化(hua)運放的參(can)數(shu)(shu)設置表(biao)檢(jian)驗(yan)(yan)(yan)檢(jian)驗(yan)(yan)(yan) 8、比倒求和運算(suan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 9、信用(yong)卡積(ji)分與微(wei)分電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 10、波形圖圖有電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 11、有源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)濾波器(qi)(qi)(qi) 12、輸出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)效率(lv)對比器(qi)(qi)(qi) 13、模(mo)塊(kuai)化(hua)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban)RC正弦(xian)函(han)數(shu)(shu)交(jiao)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)波自(zi)(zi)激(ji)(ji)自(zi)(zi)激(ji)(ji)自(zi)(zi)激(ji)(ji)振蕩(dang)器(qi)(qi)(qi) 14、模(mo)塊(kuai)化(hua)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)效率(lv)變(bian)(bian)小(xiao)器(qi)(qi)(qi) 15、整流(liu)(liu)濾波與串并(bing)聯穩電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容式(shi)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 16、結(jie)合穩電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容式(shi)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 17、模(mo)塊(kuai)化(hua)交(jiao)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)降穩壓(ya)器(qi)(qi)(qi) 18、RC正弦(xian)函(han)數(shu)(shu)交(jiao)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)波自(zi)(zi)激(ji)(ji)自(zi)(zi)激(ji)(ji)自(zi)(zi)激(ji)(ji)振蕩(dang)器(qi)(qi)(qi) 19、LC自(zi)(zi)激(ji)(ji)自(zi)(zi)激(ji)(ji)自(zi)(zi)激(ji)(ji)振蕩(dang)器(qi)(qi)(qi)及選(xuan)頻變(bian)(bian)小(xiao)器(qi)(qi)(qi) 20、直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)/輸出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)效率(lv)準(zhun)換(huan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 21、輸出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)效率(lv)/率(lv)準(zhun)換(huan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 22、相互(hu)依存相對性電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)效率(lv)變(bian)(bian)小(xiao)器(qi)(qi)(qi) 23、波形圖圖調整電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 24、場(chang)相互(hu)作(zuo)用(yong)管實(shi)驗(yan)(yan)(yan)操作(zuo)英(ying)文 25、人工(gong)控制硅實(shi)驗(yan)(yan)(yan)操作(zuo)英(ying)文電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)板(ban)(ban) 一體化(hua)實(shi)驗(yan)(yan)(yan)操作(zuo)英(ying)文： 26、用(yong)運算(suan)變(bian)(bian)小(xiao)器(qi)(qi)(qi)構造萬工(gong)程用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)的裝修(xiu)設計與校準(zhun)

（二）數電實驗所

1、門三極(ji)(ji)管的(de)思(si)維(wei)功(gong)能(neng)鍵及試驗(yan)科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 2、搭配思(si)維(wei)三極(ji)(ji)管（半(ban)加器(qi)(qi)、全加器(qi)(qi)及思(si)維(wei)運算）科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 3、打(da)斷器(qi)(qi)科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji)（一） R-S、D、JK 4、打(da)斷器(qi)(qi)科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji)（二） 三態讀(du)取打(da)斷器(qi)(qi)、鎖存器(qi)(qi) 5、時序(xu)三極(ji)(ji)管試驗(yan)與探討(tao) 6、集(ji)合計(ji)(ji)算器(qi)(qi)及寄存器(qi)(qi)科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 7、譯(yi)碼(ma)器(qi)(qi)和數值選定器(qi)(qi)科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 8、波形圖形成(cheng)器(qi)(qi)及單準穩態打(da)斷器(qi)(qi)科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 9、555時基三極(ji)(ji)管科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 供選擇(ze)做如(ru)下圖所(suo)示(shi)科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 10、晶狀(zhuang)體管旋鈕(niu)特征、限幅器(qi)(qi)與鉗位(wei)器(qi)(qi)科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 11、TTL門三極(ji)(ji)管指標試驗(yan)科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 12、CMOS門三極(ji)(ji)管試驗(yan)科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 13、系數A/D轉變三極(ji)(ji)管科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 14、數模D/A轉變三極(ji)(ji)管科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 15、時序(xu)三極(ji)(ji)管應用科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 16、四路必(bi)需(xu)宣判三極(ji)(ji)管科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji) 17、的(de)智商竟賽搶答器(qi)(qi)科(ke)(ke)學(xue)(xue)(xue)(xue)(xue)(xue)(xue)實(shi)(shi)(shi)(shi)(shi)(shi)(shi)踐(jian)(jian)(jian)(jian)(jian)(jian)所(suo)操(cao)(cao)(cao)作(zuo)設(she)計(ji)(ji)