02conductors, insulators, and electron flow basic concepts of electricity.mht

老外的硬件基础教材

eSBHTlUgR2hvc3RzY3JpcHQgKGRldmljZT1wbm1yYXcpCvqLFvMAAAAASUVORK5CYII=

------=_NextPart_000_0072_01C94970.2E309370
Content-Type: image/png
Content-Transfer-Encoding: base64
Content-Location: http://sub.allaboutcircuits.com/images/00009.png
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==

------=_NextPart_000_0072_01C94970.2E309370
Content-Type: image/png
Content-Transfer-Encoding: base64
Content-Location: http://sub.allaboutcircuits.com/images/00010.png
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------=_NextPart_000_0072_01C94970.2E309370
Content-Type: image/png
Content-Transfer-Encoding: base64
Content-Location: http://sub.allaboutcircuits.com/images/00011.png
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=

------=_NextPart_000_0072_01C94970.2E309370
Content-Type: text/css;
	charset="gb2312"
Content-Transfer-Encoding: quoted-printable
Content-Location: http://www.allaboutcircuits.com/styles/style.css

* {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: =
0px; PADDING-TOP: 0px
}
BODY {
	BACKGROUND: #eee; MARGIN: auto; FONT: 81.25%/1.4 Verdana, Arial, =
Tahoma, Sans-Serif; COLOR: #333; TEXT-ALIGN: center
}
DT {
	FLOAT: left; WIDTH: 10px
}
DD {
	MARGIN-LEFT: 5px
}
A:link {
	COLOR: yellow; TEXT-DECORATION: underline
}
A:visited {
	COLOR: yellow; TEXT-DECORATION: underline
}
A:hover {
	COLOR: white; TEXT-DECORATION: none
}
A:focus {
	COLOR: white; TEXT-DECORATION: none
}
H1 {
	FONT-WEIGHT: normal; FONT-FAMILY: "Trebuchet MS", Georgia, Serif
}
H2 {
	FONT-WEIGHT: normal; FONT-FAMILY: "Trebuchet MS", Georgia, Serif
}
H3 {
	FONT-WEIGHT: normal; FONT-FAMILY: "Trebuchet MS", Georgia, Serif
}
H4 {
	FONT-WEIGHT: normal; FONT-FAMILY: "Trebuchet MS", Georgia, Serif
}
H5 {
	FONT-WEIGHT: normal; FONT-FAMILY: "Trebuchet MS", Georgia, Serif
}
H6 {
	FONT-WEIGHT: normal; FONT-FAMILY: "Trebuchet MS", Georgia, Serif
}
H1 {
	MARGIN-TOP: 0.6em; FONT-SIZE: 210%; COLOR: #4075c9
}
H2 {
	FONT-SIZE: 150%
}
H3 {
	FONT-SIZE: 140%
}
H4 {
	FONT-SIZE: 170%
}
#container {
	BACKGROUND: url(/styles/images/contrepeat.gif) #fff repeat-y left top; =
MARGIN: 0px auto; WIDTH: 95%; POSITION: relative
}
#header {
	BACKGROUND: url(/styles/images/scan.gif) #4075c9 left top; MARGIN: 0px =
auto; WIDTH: 100%; POSITION: relative; HEIGHT: 83px
}
#headerright {
	RIGHT: 0px; BACKGROUND: url(/styles/images/cir1.jpg) no-repeat left =
top; WIDTH: 280px; POSITION: absolute; TOP: 0px; HEIGHT: 83px
}
#google-ads {
	MARGIN-TOP: 5px
}
.logo {
	DISPLAY: block; FONT-SIZE: 0.1em; LEFT: 10px; WIDTH: 304px; CURSOR: =
pointer; POSITION: absolute; TOP: 10px; HEIGHT: 26px
}
.logo EM {
	DISPLAY: block; FONT-SIZE: 0.1em; LEFT: 10px; WIDTH: 304px; CURSOR: =
pointer; POSITION: absolute; TOP: 10px; HEIGHT: 26px
}
.logo EM {
	BACKGROUND: url(/styles/images/logo.gif) white no-repeat left top
}
.logo A:link {
	COLOR: #4075c9; TEXT-DECORATION: none
}
.logo A:visited {
	COLOR: #4075c9; TEXT-DECORATION: none
}
.logo A:hover {
	COLOR: #4075c9; TEXT-DECORATION: none
}
UL#nav {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-WEIGHT: bold; FONT-SIZE: =
0.9em; BACKGROUND: #000; PADDING-BOTTOM: 15px; WIDTH: 100%; TEXT-INDENT: =
10px; LINE-HEIGHT: 1.4em; PADDING-TOP: 15px; LIST-STYLE-TYPE: none; =
TEXT-ALIGN: center
}
UL#nav LI {
	DISPLAY: inline; MARGIN: 0px 6px
}
#contentWrap {
	TEXT-ALIGN: left
}
#main {
	PADDING-RIGHT: 15px; PADDING-LEFT: 15px; PADDING-BOTTOM: 20px; =
MARGIN-LEFT: 200px; PADDING-TOP: 20px
}
#main P {
	MARGIN: 1.5em 0px
}
#main UL {
	MARGIN: 10px 20px
}
#main LI {
	MARGIN-LEFT: 10px
}
#main A:link {
	COLOR: #4075c9
}
#main A:visited {
	COLOR: #4075c9
}
#main A:hover {
	COLOR: #333
}
#main A:focus {
	COLOR: #333
}
UL.tabs {
	FLOAT: right; LIST-STYLE-TYPE: none
}
.tabs LI {
	DISPLAY: inline; FONT-SIZE: 0.8em; MARGIN: 0px 3px; LIST-STYLE-TYPE: =
none
}
.tabs LI A {
	PADDING-RIGHT: 0px; PADDING-LEFT: 23px; PADDING-BOTTOM: 0px; =
PADDING-TOP: 4px
}
.tabs LI A.print {
	BACKGROUND: url(/styles/images/printer.gif) no-repeat left center
}
.tabs LI A.email {
	BACKGROUND: url(/styles/images/email.gif) no-repeat left center
}
.tabs LI A.pdf {
	BACKGROUND: url(/styles/images/pdf.gif) no-repeat left center
}
#sidebar {
	PADDING-RIGHT: 0px; PADDING-LEFT: 1px; FONT-WEIGHT: normal; FONT-SIZE: =
0.92em; FLOAT: left; PADDING-BOTTOM: 0px; WIDTH: 200px; COLOR: #fff; =
PADDING-TOP: 20px; HEIGHT: 100%
}
#sidebar H5 {
	FONT-SIZE: 120%; MARGIN: 10px 0px 5px; COLOR: #333
}
#sidebar P {
	PADDING-RIGHT: 15px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: =
0px 0px 20px; PADDING-TOP: 0px
}
#sidebar UL {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px =
0px 20px 5px; PADDING-TOP: 0px; LIST-STYLE-TYPE: none
}
#sidebar UL LI {
	MARGIN: 0px 0px 5px; LIST-STYLE-TYPE: none
}
#sidebar A:link {
	PADDING-RIGHT: 3px; DISPLAY: block; PADDING-LEFT: 3px; PADDING-BOTTOM: =
3px; WIDTH: 90%; COLOR: yellow; PADDING-TOP: 3px; TEXT-DECORATION: =
underline
}
#sidebar A:visited {
	PADDING-RIGHT: 3px; DISPLAY: block; PADDING-LEFT: 3px; PADDING-BOTTOM: =
3px; WIDTH: 90%; COLOR: #fcfcfc; PADDING-TOP: 3px; TEXT-DECORATION: =
underline
}
#sidebar A:hover {
	BACKGROUND: black; COLOR: white; TEXT-DECORATION: none
}
#sidebar A:focus {
	BACKGROUND: black; COLOR: white; TEXT-DECORATION: none
}
#side-recent A:link {
	PADDING-RIGHT: 3px; DISPLAY: block; PADDING-LEFT: 3px; PADDING-BOTTOM: =
3px; WIDTH: 90%; COLOR: yellow; PADDING-TOP: 3px; TEXT-DECORATION: =
underline
}
#side-recent A:visited {
	PADDING-RIGHT: 3px; DISPLAY: block; PADDING-LEFT: 3px; PADDING-BOTTOM: =
3px; WIDTH: 90%; COLOR: yellow; PADDING-TOP: 3px; TEXT-DECORATION: =
underline
}
UL#footer {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-SIZE: 0.9em; BACKGROUND: =
#316ac5; LEFT: 0px; PADDING-BOTTOM: 16px; WIDTH: 100%; BOTTOM: 0px; =
PADDING-TOP: 16px; LIST-STYLE-TYPE: none; POSITION: relative; =
TEXT-ALIGN: center
}
UL#footer LI {
	DISPLAY: inline; MARGIN: 0px 10px; COLOR: #fff