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1、现代现代(xindi)电子技术实验电子技术实验第一页，共23页。一、实验(shyn)目的 实验实验实验实验目的目的目的目的实验原理实验原理实验原理实验原理注意事项注意事项注意事项注意事项实验内容实验内容实验内容实验内容1.熟悉555时基电路的工作(gngzu)原理。2.熟悉555时基电路逻辑功能的测试方法。学会分析和测试用555时基电路构成的多谐振荡器，单稳态触发器，施密特触发器。3.了解定时器555的实际应用。第1页/共23页第二页，共23页。二、实验二、实验(shyn)原理原理 实验实验实验实验目的目的目的目的实验原理实验原理实验原理实验原理注意事项注意事项注意事项注意事项实验实验实验实验
2、内容内容内容内容555555定时器是模拟定时器是模拟数字混合数字混合式集成电路。式集成电路。可产生可产生(chnshng)(chnshng)精确的时精确的时间延迟和振荡，内部有间延迟和振荡，内部有3 3个个5K5K的电的电阻分压器，故称阻分压器，故称555555。在波形的产生在波形的产生(chnshng)(chnshng)与变换、测量与控制、与变换、测量与控制、家用电器、电子玩具等许多领域中都家用电器、电子玩具等许多领域中都得到了应用。得到了应用。第2页/共23页第三页，共23页。各公司(ns)生产的555定时器的逻辑功能与外引线排列都完全相同。单定时器型号的最后几位数码双定时器型号的最后几位
3、数码优点电源电压工作范围双极型产品555556556驱动能力较大518VCMOS产品7555755575567556低功耗高输入阻抗218V种类(zhngli)特点(tdin)第3页/共23页第四页，共23页。555逻辑电路(lujdinl)图和引脚图电阻(dinz)分压器电压(diny)比较器基本RS触发器放电管T缓冲器第4页/共23页第五页，共23页。电阻(dinz)分压器(1)电阻分压器由3个5k的电阻R组成，为电压(diny)比较器A1和A2提供基准电压(diny)。第5页/共23页第六页，共23页。电压(diny)比较器(2)电压比较器A1和A2。当UU时，比较器输出高电平，反之则输
4、出低电平。CO为控制(kngzh)电压输入端。当CO未用时，UR12/3VCC，UR21/3VCC。当CO外接固定电压时，UR1UCO，UR21/2UCOTH称为(chnwi)高触发端。称为(chnwi)低触发端。第6页/共23页第七页，共23页。基本(jbn)RS触发器（3）基本RS触发器其置0和置1端为低电平有效触发。为复位输端，低电平有效。正常工作(gngzu)时，必须使处于高电平。第7页/共23页第八页，共23页。放电管T（4）放电管TT是集电极开路的三极管。定时器输出为0时，T导通；外接电容(dinrng)可通过T放电。定时器输出为1时，T截止，外电路可对外界电容(dinrng)充电
5、。缓冲器（5）缓冲器缓冲器由G3构成，用于提高电路的负载能力。第8页/共23页第九页，共23页。555定时器功能表 555逻辑电路(lu j din l)和引脚图 第9页/共23页第十页，共23页。1 1、施密特触发器、施密特触发器回差电压(diny)施密特触发器回差特性：上升(shngshng)过程和下降过程有不同的转换电平UT和UT-555定时器内部比较器有两个(lin)不同的基准电压UR1和UR2。VTHVTH应用简介第10页/共23页第十一页，共23页。2 2、用、用555555定时器构成定时器构成(guchng)(guchng)多谐振荡器多谐振荡器电容C充电接通电源时，VC=0，此时
6、，vo=1，T截止，电源经R1，R2对电容C充电。电容C放电VC2/3VCC时，555定时器输出翻转为0。T导通，电容C通过R2和T放电。截止，电源经R1，R2对电容C充电。周而复始。输出矩形脉冲序列。VC1/3VCC时，555定时器输出翻转为1。T占空比应用(yngyng)简介第11页/共23页第十二页，共23页。3.3.用用555555定时器构成定时器构成(guchng)(guchng)单稳态触发器单稳态触发器tw=1.1RC当触发脉冲vi为高电平时，VCC通过R对C充电，当VTH=Vc2/3VCC时，高触发端TH有效，定时器输出置0；此时，放电管导通，C放电，VTH=VC=0。电路(di
7、nl)保持稳态。当触发脉冲Vi下降沿到来时，低触发端TR有效置1状态，电路进入暂稳态。此时放电管T截止，VCC通过R对C充电。当VTH=VC2/3VCC时，使高触发端TH有效，定时器输出置0状态，电路自动返回稳态，此时(csh)放电管T导通。电路返回稳态后，C通过导通的放电管T放电，使电迅速恢复到初始状态。应用简介第12页/共23页第十三页，共23页。应用应用(yngyng)(yngyng)举例举例第13页/共23页第十四页，共23页。第14页/共23页第十五页，共23页。三、实验三、实验(shyn)(shyn)内容内容1基础性实验(shyn)555时基电路逻辑功能测试 放电管DIS接VR2端
8、口，按表3.15内容用示波器或万用表测试，并将测试结果填入表3.15中。第15页/共23页第十六页，共23页。2 2 2 2 555 555 555 555时基电路的应用时基电路的应用时基电路的应用时基电路的应用(yngyng)(yngyng)(yngyng)(yngyng)用用用用555555555555定时器构成单稳态触发器定时器构成单稳态触发器定时器构成单稳态触发器定时器构成单稳态触发器按图按图按图按图3.50(a)3.50(a)3.50(a)3.50(a)连接电路，取连接电路，取连接电路，取连接电路，取R1=R2=5.1K,R=100K,C=0.01f,C1=0.01fR1=R2=5.
9、1K,R=100K,C=0.01f,C1=0.01fR1=R2=5.1K,R=100K,C=0.01f,C1=0.01fR1=R2=5.1K,R=100K,C=0.01f,C1=0.01f。输入。输入。输入。输入500Hz500Hz500Hz500Hz脉冲信号，用双踪示波器观察脉冲信号，用双踪示波器观察脉冲信号，用双踪示波器观察脉冲信号，用双踪示波器观察(gunch)(gunch)(gunch)(gunch)记录记录记录记录ViViViVi、VCVCVCVC、VOVOVOVO的波形。并标出波形周期、幅值、脉宽。的波形。并标出波形周期、幅值、脉宽。的波形。并标出波形周期、幅值、脉宽。的波形。并标
10、出波形周期、幅值、脉宽。第16页/共23页第十七页，共23页。用用555555定时器构成多谐振荡器定时器构成多谐振荡器按图按图3.513.51（a a）连接电路）连接电路(dinl)(dinl)，取取R1=R2=100k,C1=0.01fR1=R2=100k,C1=0.01f、C=0.01fC=0.01f。用双踪示波器分别观察记录用双踪示波器分别观察记录VCVC、VOVO波形波形，改变，改变RCRC参数。记录相应数据于表参数。记录相应数据于表3.163.16中。中。第17页/共23页第十八页，共23页。用用用用555555555555定时器构成施密特触发器定时器构成施密特触发器定时器构成施密特
11、触发器定时器构成施密特触发器 按图按图按图按图3.52(a)3.52(a)3.52(a)3.52(a)电路接线，取电路接线，取电路接线，取电路接线，取R1=R2=100KR1=R2=100KR1=R2=100KR1=R2=100K，C1=C2=0.01fC1=C2=0.01fC1=C2=0.01fC1=C2=0.01f。输入正弦波信号。输入正弦波信号。输入正弦波信号。输入正弦波信号1KHZ1KHZ1KHZ1KHZ，逐渐加大，逐渐加大，逐渐加大，逐渐加大ViViViVi的幅度，用双踪示波器分别观察记录的幅度，用双踪示波器分别观察记录的幅度，用双踪示波器分别观察记录的幅度，用双踪示波器分别观察记录
12、VTHVTHVTHVTH、VoVoVoVo波形（注意波形（注意波形（注意波形（注意输入正弦波信号对输出波形的脉宽、上、下限触发电平以及输入正弦波信号对输出波形的脉宽、上、下限触发电平以及输入正弦波信号对输出波形的脉宽、上、下限触发电平以及输入正弦波信号对输出波形的脉宽、上、下限触发电平以及回差电压的影响回差电压的影响回差电压的影响回差电压的影响(yngxing)(yngxing)(yngxing)(yngxing)，要求得出结论）。，要求得出结论）。，要求得出结论）。，要求得出结论）。测绘电压传输特性测绘电压传输特性(txng)(txng)。（比较（比较VTHVTH、VoVo得出得出VT+VT
13、+、VT-VT-）VTH第18页/共23页第十九页，共23页。（4）趣味性实验(shyn)按图3.53电路接线(jixin)。利用555定时器和R1、R2、VR1及C组成时钟脉冲产生器和十进制计数器/脉冲分配器CC4017 设计一个圣诞树电路。发光二极管闪烁的快慢由 R1、R2、VR1及C决定，因此仅提供一组参考数据。R168k、R2=47k、VR1任意位置、C0.1f。实验时R1、R2、VR1及C可在实验底板上灵活选取。第19页/共23页第二十页，共23页。四、注意事项注意事项 (一一)故障检测和排除故障检测和排除 1、检查各连线是否、检查各连线是否(sh fu)正确，正确，尤其是电源线。尤
14、其是电源线。2、要使波形稳定显示则需：要使波形稳定显示则需：(a)选择正确的触发源。（选择正确的触发源。（Edge按键菜单）按键菜单）(b)调节触发平调节触发平(Level）旋钮，使）旋钮，使触发电平在波形幅度范围内。触发电平在波形幅度范围内。第20页/共23页第二十一页，共23页。(二二)思考题思考题11555555时基电路中，时基电路中，COCO端端为基准电压为基准电压(diny)(diny)控制端，当控制端，当悬空时，触发电平分别为多少？悬空时，触发电平分别为多少？当接固定电平时，触发电平分别当接固定电平时，触发电平分别为多少？为多少？22在实验中在实验中555555定时器定时器5 5脚
15、脚所接的电容起什么作用所接的电容起什么作用?33多谐振荡器的振荡频率多谐振荡器的振荡频率主要由哪些元件决定主要由哪些元件决定?第21页/共23页第二十二页，共23页。iQfNcK8H5D2A+x*u$rZnWkShPeMaJ7G4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%s#oXlTiQfNbK8H5D2A-x*u$qZnWkShPdMaJ7F4C1z)w&s!pYmUjRgOcL9H6E3B+y(v%r#oWlTiQeNbK8G5D1A-x*t$qZnVkSgPdMaI7F4C0z)w&s!pXmUjRfOcL9H6E2B+y(u%r#oWlThQeNbJ8G5D1A-w*t
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19、A-x*t$qYnVkSgPdMaI7F3C0z)v&s!pXmUiRfOcK9H6E2B+x(u%rZoWlThQeMbJ8G4D1A-w*t!qYnVjSgPdLaI7F3C0y)v&s#pXmUiRfNcK9H5E2B+x(u$rZoWkThQeMbJ7G4D1z-w*t!qYmVjSgOdLaI6F3B0y)v%s#pXlUiQfNcK8H5E2A+x(u$rZnWkThPeMbJ7G4C1z-x*t$qZnVkShPdMaI7F4C0z)w&s!pXmUjRfOcL9H6E3B+y(u%r#oWlTiQeNbJ8G5D1A-x*t$qYnVkSgPdMaI7F3C0z)v&s!pXm
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24、ShPeMaJ7G4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%s#oXlTiQfNbK8H5D2A-x*u$qZnWkShPdMaJ7F4C1z)w&s!pYmUjRgOcL9H6E3B+y(v%r#oWlTiQeNbK8G5D1A-x*t$qZnVkShPdMaI7F4C0z)w&s!pXmUjRfOcL9H6E2B+y(u%r#oWlThQeNbJ8G5D1A-w&t!qYmVjSgOdL9I6F3B0y)v%s#oXlUiQfNcK8H5D2A+x*u$rZnWkShPeMaJ7G4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%s#oXlTiQfNbK8H5D
25、2A-x*u$qZnWkShPdMaJ7F4C1z)w&s!pYmUjRgOcL9H6E3B+y(v%r#oWlTiQeNbK8G5D1A-x*t$qZnVkShPdMaI7F4C0z)w&s!pXmUjRfOcL9H6E2B+y(u%r#oWlThQeNbJ8G5D1A-w*t$qYnVkSgPdLaI7F3C0z)v&s#pXmUiRfOcK9H6E2B+x(u%rZoWlThQeMbJ8G4D1A-w*t!qYnVjSgPdLaI6F3C0y)v&s#pXlUiRfNcK9H5E2A+x(u$rZoWkThPeMbJ7G4D1z-w&t!qYmVjSgOdLaI6F3B0y)v%s#pX
26、lUiQfNcK8H5E2A+x*u$rZnWkThPeMaJ7G4C1z-w*t$qYnVkSgPdLaI7F3C0z)v&s#pXmUiRfOcK9H6E2B+x(u%rZoWlThQeMbJ8G4D1A-w*t!qYnVjSgPdLaI6F3C0y)v&s#pXlUiRfNcK9H5E2A+x(u$rZoWkThPeMbJ7G4D1z-w&t!qYmVjSgOdLaI6F3B0y)v%s#pXlUiQfNcK8H5E2A+x*u$rZnWkThPeMaJ7G4C1z-w&t!pYmVjRgOdL9I6E3B0y(v%s#oXlTiQfNbK8H5D2A+x*u$qZnWkShPeMaJ7
27、F4C1z)w&t!pYmUjRgOcL9I6E3B+y(v%r#oXlTiQeNbK8G5D2A-x*t$qZnVkShPdME3B0y(v%s#oXlUiQfNbK8H5D2A+x*u$qZnWkShPeMaJ7F4C1z)w&t!pYmUjRgOcL9I6E3B+y(v%r#oXlTiQeNbK8G5D2A-x*t$qZnVkShPdMaJ7F4C0z)w&s!pYmUjRfOcL9H6E3B+y(u%r#oWlTiQeNbJ8G5D1A-w&t!pYmVjRgOdL9I6E3B0y(v%s#oXlTiQfNbK8H5D2A+x*u$qZnWkShPeMaJ7F4C1z)w&t!pYmU
28、jRgOcL9I6E3B+y(v%r#oXlTiQeNbK8G5D2A-x*t$qZnVkShPdME3B0y(v%s#oXlUiQfNbK8H5D2A+x*u$qZnWkShPeMaJ7F4C1z)w&t!pYmUjRgOcL9I6E3B+y(v%r#oXlTiQeNbK8G5D2A-x*t$qZnVkShPdMaJ7F4C0z)w&s!pYmUjRfOcL9H6E3B+y(u%r#oWlTiQeNbJ8G5D1A-x*t$qYnVkSgPdMaI7F3C0z)v&s!pXmUiRfOcK9H6E2B+y(u%rZoWlThQeNbJ8G4D1A-w*t$qYnVjSgPdLaI7F3C0y
29、)v&s#pXmUiRfNcK9H5E2B+x(u$rZoWkThQeMbJ7G4D1z-w*t!qYmVjSgOdLaI6F3C0y)v%s#pXlUiRfNcK8H5E2A+x(u$rZnWkThPeMbJ7G4C1z-x*t$qYnVkSgPdMaI7F3C0z)v&s!pXmUiRfOcK9H6E2B+y(u%rZoWlThQeNbJ8G4D1A-w*t$qYnVjSgPdLaI7F3C0y)v&s#pXmUiRfNcK9H5E2B+x(u$rZoWkThQeMbJ7G4D1z-w*t!qYmVjSgOdLaI6F3C0y)v%s#pXlUiRfNcK8H5E2A+x(u$rZnWkT
30、hPeMbJ7G4C1z-w&t!qYmVjRgOdL9I6F3B0y(v%s#oXlUiQfNbK8H5D2A+x*u$rZnWkShPeMaJ7G4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%r#oXlTiQfNbK8G5D2A-x*u$qZnVkShPdMaJ7F4C0z)w&s!pYmUjRgOcL9H6E3B+y(v%r#oWhPeMaJ7G4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%r#oXlTiQfNbK8G5D2A-x*u$qZnVkShPdMaJ7F4C1z)w&s!pYmUjRgOcL9H6E3B+y(v%r#oWlTiQeNbK8G5D1A-
31、w&t!qYmVjRgOdL9I6F3B0y(v%s#oXlUiQfNbK8H5D2A+x*u$rZnWkShPeMaJ7G4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%r#oXlTiQfNbK8G5D2A-x*u$qZnVkShPdMaJ7F4C0z)w&s!pYmUjRgOcL9H6E3B+y(v%r#oWhPeMaJ7G4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%r#oXlTiQfNbK8G5D2A-x*u$qZnVkShPdMaJ7F4C1z)w&s!pYmUjRgOcL9H6E3B+y(v%r#oWlTiQeNbK8G5D1A-x*t$qZnVkSgPd
32、MaI7F4C0z)v&s!pXmUjRfOcK9H6E2B+y(u%r#oWlThQeNbJ8G5D1A-w*t$qYnVkSgPdLaI7F3C0z)v&s#pXmUiRfOcK9H5E2B+x(u%rZoWkThQeMbJ8G4D1z-w*t!qYnVjSgOdLaI6F3C0y)v&s#pXlUiRfNcK9H5E2A+x(u$rZoWkThPeMbJ7G4D1z-w&t!qYmVjSgOdL9I6F3B0y)v%s#oXlUiQfNcK8H5D2A+x*u$rZnWkThPeMaJ7G4C1z-x*t$qZnVkSgPdMaI7F4C0z)v&s!pXmUjRfOcK9H6E2B+y
33、(u%r#oWlThQeNbJ8G5D1A-w*t$qYnVkSgPdLaI7F3C0z)v&s#pXmUiRfOcK9H5E2B+x(u%rZoWkThQeMbJ8G4D1z-w*t!qYnVjSgOdLaI6F3C0y)v&s#pXlUiRfNcK9H5E2A+x(u$rZoWkThPeMbJ7G4D1z-w&t!qYmVjSgOdL9I6F3B0y)v%s#oXlUiQfNcK8H5D2A+x*u$rZnWkThPeMaJ7G4C1z-w&t!pYmVjRgOdL9I6E3B0y(v%s#oXlTiQfNbK8H5D2A-x*u$qZnWkShPdMaJ7F4C1z)w&s!pYmUjR
34、gOcL9H6E3B+y(v%r#oXlTiQeNbK8G5D2A-x*t$qZnVkShPdMaI7F4C0z)w&s!pXmUjRfOcL9H6E2B+y(u%r#oWlThQeNbJ8G5D1A-wpYmUjRgOcL9I6E3B+y(v%r#oXlTiQeNbK8G5D2A-x*t$qZnVkShPdMaI7F4C0z)w&s!pXmUjRfOcL9H6E2B+y(u%r#oWlTiQeNbJ8G5D1A-w&t!pYmVjRgOdL9I6E3B0y(v%s#oXlTiQfNbK8H5D2A-x*u$qZnWkShPdMaJ7F4C1z)w&s!pYmUjRgOcL9H6E3B+y(v
35、%r#oXlTiQeNbK8G5D2A-x*t$qZnVkShPdMaI7F4C0z)w&s!pXmUjRfOcL9H6E2B+y(u%r#oWlThQeNbJ8G5D1A-wpYmUjRgOcL9I6E3B+y(v%r#oXlTiQeNbK8G5D2A-x*t$qZnVkShPdMaI7F4C0z)w&s!pXmUjRfOcL9H6E2B+y(u%r#oWlTiQeNbJ8G5D1A-x*t$qYnVkSgPdMaI7F3C0z)v&s!pXmUiRfOcK9H6E2B+x(u%rZoWlThQeMbJ8G4D1A-w*t!qYnVjSgPdLaI6F3C0y)v&s#pXmUiRfNcK9
36、H5E2B+x(u$rZoWkThQeMbJ7G4D1z-w*t!qYmVjSgOdLaI6F3B0y)v%s#pXlUiQfNcK8H5E2A+x*u$rZnWkThPeMbJ7G4C1z-x*t$qYnVkSgPdMaI7F3C0z)v&s!pXmUiRfOcK9H6E2B+x(u%rZoWlThQeMbJ8G4D1A-w*t!qYnVjSgPdLaI6F3C0y)v&s#pXmUiRfNcK9H5E2B+x(u$rZoWkThQeMbJ7G4D1z-w*t!qYmVjSgOdLaI6F3B0y)v%s#pXlUiQfNcK8H5E2A+x*u$rZnWkThPeMbJ7G4C1z-w&t
37、!qYmVjRgOdL9I6F3B0y(v%s#oXlUiQfNbK8H5D2A+x*u$qZnWkShPeMaJ7F4C1z)w&t!pYmUjRgOcL9I6E3B+y(v%r#oXlTiQfNbK8G5D2A-x*u$qZnVkShPdMaJ7F4C0z)w&s!pYmUjNbK8H5D2A+x*u$qZnWkShPeMaJ7F4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%r#oXlTiQfNbK8G5D2A-x*u$qZnVkShPdMaJ7F4C0z)w&s!pYmUjRfOcL9H6E3B+y(u%r#oWlTiQeNbJ8G5D1A-w&t!qYmVjRgOdL9I
38、6F3B0y(v%s#oXlUiQfNbK8H5D2A+x*u$qZnWkShPeMaJ7F4C1z)w&t!pYmUjRgOcL9I6E3B+y(v%r#oXlTiQfNbK8G5D2A-x*u$qZnVkShPdMaJ7F4C0z)w&s!pYmUjNbK8H5D2A+x*u$qZnWkShPeMaJ7F4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%r#oXlTiQfNbK8G5D2A-x*u$qZnVkShPdMaJ7F4C0z)w&s!pYmUjRfOcL9H6E3B+y(u%r#oWlTiQeNbJ8G5D1A-x*t$qZnVkSgPdMaI7F4C0z)v&s!pX
39、mUjRfOcK9H6E2B+y(u%rZoWlThQeNbJ8G4D1A-w*t$qYnVjSgPdLaI7F3C0y)v&s#pXmUiRfOcK9H5E2B+x(u%rZoWkThQeMbJ8G4D1z-w*t!qYnVjSgOdLaI6F3C0y)v%s#pXlUiRfNcK8H5E2A+x(u$rZnWkThPeMbJ7G4D1z-x*t$qZnVkSgPdMaI7F4C0z)v&s!pXmUjRfOcK9H6E2B+y(u%rZoWlThQeNbJ8G4D1A-w*t$qYnVjSgPdLaI7F3C0y)v&s#pXmUiRfOcK9H5E2B+x(u%rZoWkThQeMbJ8
40、G4D1z-w*t!qYnVjSgOdLaI6F3C0y)v%s#pXlUiRfNcK8H5E2A+x(u$rZnWkThPeMbJ7G4D1z-w&t!qYmVjSgOdL9I6F3B0y)v%s#oXlUiQfNcK8H5D2A+x*u$rZnWkShPeMaJ7G4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%r#oXlTiQfNbK8H5D2A-x*u$qZnWkShPdMaJ7F4C1z)w&s!pYmUjRgOcL9H6E3B+y(v%r#oWlTiQeNbK8G5D1A-x*t$qZRgOdL9I6E3B0y(v%s#oXlTiQfNbK8H5D2A-x*u$qZnW
41、kShPdMaJ7F4C1z)w&s!pYmUjRgOcL9H6E3B+y(v%r#oWlTiQeNbK8G5D1A-w&t!qYmVjSgOdL9I6F3B0y)v%s#oXlUiQfNcK8H5D2A+x*u$rZnWkShPeMaJ7G4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%r#oXlTiQfNbK8H5D2A-x*u$qZnWkShPdMaJ7F4C1z)w&s!pYmUjRgOcL9H6E3B+y(v%r#oWlTiQeNbK8G5D1A-x*t$qZRgOdL9I6E3B0y(v%s#oXlTiQfNbK8H5D2A-x*u$qZnWkShPdMaJ7F4C1z
42、)w&s!pYmUjRgOcL9H6E3B+y(v%r#oWlTiQeNbK8G5D1A-x*t$qZnVkShPdMaI7F4C0z)w&s!pXmUjRfOcL9H6E2B+y(u%r#oWlThQeNbJ8G5D1A-w*t$qYnVkSgPdLaI7F3C0z)v&s#pXmUiRfOcK9H6E2B+x(u%rZoWlThQeMbJ8G4D1A-w*t!qYnVjSgPdLaI6F3C0y)v&s#pXlUiRfNcK9H5E2A+x(u$rZoWkThPeMbJ7G4D1z-w*t!qYmVjSgOdLaI6B+x(u%rZoWlThQeMbJ8G4D1A-x*t$qZnVkShP
43、dMaI7F4C0z)w&s!pXmUjRfOcL9H6E2B+y(u%r#oWlThQeNbJ8G5D1A-w*t$qYnVkSgPdLaI7F3C0z)v&s#pXmUiRfOcK9H6E2B+x(u%rZoWlThQeMbJ8G4D1A-w*t!qYnVjSgPdLaI6F3C0y)v&s#pXlUiRfNcK9H5E2A+x(u$rZoWkThPeMbJ7G4D1z-w*t!qYmVjSgOdLaI6B+x(u%rZoWlThQeMbJ8G4D1A-w*t!qYnVjSgPdLaI6F3C0y)v&s#pXlUiRfNcK9H5E2A+x(u$rZoWkThQeMbJ7G4D1z-w*
44、t!qYmVjSgOdLaI6F3B0y)v%s#pXlUiQfNcK8H5E2A+x*u$rZnWkThPeMaJ7G4C1z-w&t!pYmVjRgOdL9I6F3B0y(v%s#oXlUiQfNbK8H5D2A+x*u$qZnWkShPeMaJ7F4C1z)w&t!pYmUjRgOcL9I6E3B+y(v%r#oXlTiQeNbK8G5D2A-w*t!qYnVjSgPdLaI6F3C0y)v&s#pXlUiRfNcK9H5E2A+x(u$rZoWkThQeMbJ7G4D1z-w*t!qYmVjSgOdLaI6F3B0y)v%s#pXlUiQfNcK8H5E2A+x*u$rZnWkThPe
45、MaJ7G4C1z-w&t!pYmVjRgOdL9I6F3B0y(v%s#oXlUiQfNbK8H5D2A+x*u$qZnWkShPeMaJ7F4C1z)w&t!pYmUjRgOcL9I6E3B+y(v%r#oXlTiQeNbK8G5D2A-x*t$qZnVkShPdMaJ7F4C0z)w&s!pYmUjRfOcL9H6E3B+y(u%r#oWlTiQeNbJ8G5D1A-x*t$qYnVkSgPdMaI7F3C0z)v&s!pXmUiRfOcK9H6E2B+y$qZnVkShPdMaJ7F4C0z)w&s!pYmUjRfOcL9H6E3B+y(u%r#oWlTiQeNbJ8G5D1A-x*t
46、$qYnVkSgPdMaI7F3C0z)v&s!pXmUjRfOcK9H6E2B+y(u%rZoWlThQeNbJ8G4D1A-x*t$qZnVkShPdMaJ7F4C0z)w&s!pYmUjRfOcL9H6E3B+y(u%r#oWlTiQeNbJ8G5D1A-x*t$qYnVkSgPdMaI7F3C0z)v&s!pXmUiRfOcK9H6E2B+y$qZnVkShPdMaJ7F4C0z)w&s!pYmUjRfOcL9H6E3B+y(u%r#oWlTiQeNbJ8G5D1A-x*t$qYnVkSgPdMaI7F3C0z)v&s!pXmUjRfOcK9H6E2B+y(u%rZoWlThQeNbJ
47、8G4D1A-w*t$qYnVjSgPdLaI7F3C0y)v&s#pXmUiRfNcK9H5E2B+x(u$rZoWkThQeMbJ8G4D1z-w*t!qYnVjSgOdLaI6F3C0y)v%s#pXlUiRfNcK8H5E2A+x(u$rZnWkThPeMbJ7G4C1z-w&t!qYmVjRgOdL9I6F3B0y)v%s#oXlUiQfNcK8H5D2A+x*u$rZnWkShPeMaJ7G4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%r#oXlTiQfNbKw*t$qYnVjSgPdLaI7F3C0y)v&s#pXmUiRfNcK9H5E2B+x(u$rZoWkThQeMbJ8G4D1z-w*t!qYnVjSgOdLaI6F3C0y)v%s#pXlUiRfNcK8H5E2A+x(u$rZnWkThPeMbJ7G4C1z-w&t!qYmVjRgOdL9I6F3B0y)v%s#oXlUiQfNcK8H5D2A+x*u$rZnWkShPeMaJ7G4C1z)w&t!pYmVjRgOcL9I6E3B0y(v%r#oXlTiQfNbK第22页/共23页第二十三页，共23页。