Clx

说明：  利用4个公共点解WGS84转北京54的7参数(The use of public four-point solution to WGS84 parameters Beijing 54 7)

定时器每100us中断一次，在中断服务程序中,对中断次数进行计数，100us计数10000次就是1秒。然后再对秒计数得到分和小时值，并送入显示缓冲区。(Timer interrupt every 100us, in the interrupt service routine, the interrupt number of counts, 100us count is 1 second 10000. Then seconds count the minutes and hours values 椠渀琀漀 the display buffer.)

说明：  光栏法的基本思想是（图1）：定义一个扇形区域，通过判断曲线上的点在扇形外还是在扇形内，确定保留还是舍去。(The basic idea of ​ ​ light field is (Figure 1): definition of a fan-shaped region, by determining the point on the curve outside the sector or sector, to identify the retained or discarded.)

Bacom use mmc not test very fast

图书馆管理系统用的是VB和SQL语言开发的(Library Management System)

实现键盘扫描0-F，可以用来检测键盘的输入(The realization of the keyboard scan 0-F, can be used to detect keyboard input)

分别用C语言和汇编语言实现冒泡排序，有汇编语言实现时的流程图，通过比较运行的时间，体现汇编的高效(This is a best program which can help you learn huibain is more better.)

电力系统中根据电压电流计算阻抗，其中使用半周积分算法计算电压电流的有效值(Power system voltage and current calculation based on impedance, in which the use of half integral algorithm of the RMS voltage and current)

万年历查询及打印系统代码,能查询日历 并输出选定日期的日历，月历，年历(Calendar inquiries and printing system code, can query and output the selected date calendar calendar calendar calendar)

VB+SQL的图书管理程序,上传一个有用的东西,绝对用得上的(VB+ SQL library management procedures, to upload a useful thing, is absolutely useful for)