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hhh理现对交通信号灯进行管理，车辆放行3分钟后，车行道黄灯闪烁5秒钟，以警示车辆将切换红绿灯。此时人行横道仍维持红灯点亮。车行道的黄灯闪烁5秒钟后，转为人行横...
hhh理现对交通信号灯进行管理，车辆放行3分钟后，车行道黄灯闪烁5秒钟，以警示车辆将切换红绿灯。此时人行横道仍维持红灯点亮。车行道的黄灯闪烁5秒钟后，转为人行横道行人放行1分钟，然后再转为车行道车辆放行3分钟。如此循环重复。 用发光二极管模拟信号灯，8255A实现对信号灯的控制（所用端口自定），8253的计数器2定时向实验系统主片8259A的IRQ7请求中断，以实现3分钟，5秒钟和1分钟的定时。 实验系统8253计数器2的CLK2可接OPCLK，频率为1.19318MHZ，GATE2已接＋5V，定时可采用软硬件结合相结合的方式-HHH Jimmy is right for traffic signal management, vehicle clearance three minutes later, the driveway five seconds flashing yellow light to warn vehicles will switch traffic lights. This sees the red light remains lit. The flashing yellow light carriageway five seconds later, the pedestrian crossings to release a minute and then released into driveway vehicles for three minutes. So the cycle to repeat. Using light-emitting diode signal simulation, 8255A right signals control (used to set the port), the 8253 regular counter to the two experimental system of the main unit there 8259A interrupt request, to achieve 3 minutes, 5 seconds and one minute timing. Experimental System to the 8253 counter two OPCLK CLK2 access, frequen
- 2022-03-03 08:29:38下载
- 积分：1
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TreeView控件的使用这个应用程序是在VC++实例的基础上…
treeview控件的使用
此应用是在vc＋＋的基础上的
可以从实例中了解treeview控件的使用-treeview control the use of this application is in vc++ on the basis of examples from which to understand t reeview control the use of
- 2022-07-13 15:16:32下载
- 积分：1
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vbnet2005, double
vbnet2005,演示treeview双击节点显示不同的accese表-vbnet2005, double-click the node demonstration treeview show different accese Table
- 2023-09-03 17:15:03下载
- 积分：1
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a very good code!!!一个非常好的界面美化的程序，非常适合做界面的程序员看...
a very good code!!!一个非常好的界面美化的程序，非常适合做界面的程序员看-a very good code! ! ! A very good interface beautification process, very suitable for programmers can interface
- 2023-08-19 14:45:04下载
- 积分：1
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控件"树"（tree）能够清晰地显示所包含数据的继承关系，是一个强有力的控件...
控件"树"（tree）能够清晰地显示所包含数据的继承关系，是一个强有力的控件-control "tree" (tree) to clear indication of the data contained in the inheritance relationship is a strong component
- 2022-03-18 00:02:04下载
- 积分：1
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Since the draw CTreeCtrl, you can map to conduct a simple function of self
自绘CTreeCtrl，可以贴图，进行简单的自绘功能-Since the draw CTreeCtrl, you can map to conduct a simple function of self-painting
- 2022-03-20 17:53:27下载
- 积分：1
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This is only a Valentine
这只是一个情人节里的网站源码,,如果大家觉得不错的就下载吧,真的不错的
这个是绿色的讯雷-This is only a Valentine
- 2022-04-11 10:15:33下载
- 积分：1
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UItree
matlab GUI 里面用于编Tree控件的说明文档，详述了如何添加和删除节点等操作(matlab GUI Tree control which is used to compile the documentation, detailing how to add and remove nodes and other operations)
- 2013-08-11 04:40:05下载
- 积分：1
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TREE控件的新用法
TREE控件的新用法-TREE control of the new usage
- 2022-02-01 09:28:25下载
- 积分：1
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好东西，编程帮手，好好好
桌面设计，用pb。好好好啊，好好啊，太好了...
好东西，编程帮手，好好好
桌面设计，用pb。好好好啊，好好啊，太好了-good things, programming help take good desktop design, pb. Well alright, well ah and handy the
- 2022-03-19 16:00:45下载
- 积分：1
