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原帖由 井忘川 于 2006-5-8 07:55 发表1 k+ {% U. g3 t+ e B
键盘辐射最大是没错的。/ n1 R' ~% k0 q% Q o
你知道计算机的辐射量是多少吗?
7 C( @ E# Q" m/ f3 Y1.键盘1000V/m
! P4 c: t: \/ f+ p* k p2.鼠标450V/m: H& {; i# P% Q
3.屏幕218V/m
; `3 M, R7 ?, n& r4.主机170V/m。
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国际标准 TCO’99对CRT显示器的电场强度要求是:) _( E: f: X* S' U {" K
" ` f2 O3 r: `( T9 \Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30% ~4 \/ ^4 q0 z# w
cm in front of the VDU and at 50 cm in front of it.0 O5 v* K& ?0 `
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
9 M9 U( l" T7 z) H4 k50 cm around the VDU and at 30 cm in front of it.7 s9 W+ e- x& J" K; s
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ref: http://www.d-silence.com/downloads/99crt.pdf3 Y* y( U9 r" S% K4 v( D7 R6 w
; z% Q7 f! c2 s- V2 {. @& l你这218v/m有何科学依据?: ^" W3 F4 m* P& s
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google了一把,源头是这:; x! |6 f: [$ B1 M
http://www.daniweb.com/techtalkforums/thread10489.html
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+ P/ S3 _$ j& @& z, z& c7 Q5 g估计就这样以讹传讹了。
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[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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