index1.css

http://www.edacn.net/cgi-bin/forums.cgi?forum=7&topic=9127下,则R3～R0的输出信号中会有一个为1,但我们还是是无法确定哪一个键被按下,必須要

TD {
	FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体
}
A:link {
	FONT-SIZE: 10pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; TEXT-DECORATION: none
}
A:visited {
	FONT-SIZE: 10pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; TEXT-DECORATION: none
}
A:hover {
	COLOR: #ff0000; TEXT-DECORATION: underline
}
BODY {
	FONT-SIZE: 9pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; TEXT-DECORATION: none
}