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ڵλãֻѧУ
ֻѡ̸
2002-05-27 15:45³ߣfreeman_fu
[ѡԡ³ӡϸ³ӡ2002.5]

ҪֻӵԴԴĶֻDZزٵġֻСĺûȴֱӰ쵽ֻ߶ѽеĵԼ30%ֻʳԣѡһӲijԵøҪҽһЩֻѡɣԱҸõԼֻ



Я㣬ʹñһֱüһӭгϵijƷƷ࣬β룬ʱӦ⡣ѡʱӦע

1.

ԵԴѡ񷽷ơһ˵Խأ˵ʹõĵԪԽ࣬һ̶ϱԽáַΪֱۣҲDZȽЧġѡʱöüͬƷơͬͺŵijֵһԱȣӺױȽϳ

2.

ĹҪȡʹõIC(оƬ)ĿǰICѾչ˵ǰICĸĽʹõICijܽΪƣгң೧ʹóɱϵ͵ĵڶICð²ƷƭߡˣҪǰICܵ

ԣʹõڶICijÿγ綼ҪȽڲϣȵԼϺٽطڳĿϳ磬ֳԵصжϲ׼ĴҲͲس硣ѡĿʱֱ۵һĵҪijʹõICڵڼƷ

3.

һΪ̶ź/ɱšڹʱѡ/ɱţպʹл᷽ܶࡣ⣬ʱӦһ³IJţ׽ŰγƷҪӸʺˡ

4.

ڹʱڲıѹһһ˵ѹԽãԽֻ͡Ҫڹв¶ȵ30棬ִ΢΢Ȳ֣Ϊϱ׼ѡʱӦѡֲͬijǶӣٸоһ·Ӧѡ¶Խϵ͵IJƷ5.ռԭ

ĻԽֱӲ鿴·աӹյ

⣬һƷij·ϵĺӵСȣӴմһ麸ʹõıѹݺܵԪȽ϶ϴԪãܸȶֻصҲӰ졣

ó

óΪСɣЯʹûҲѡʱעѡʱļ⣬Ҫġ

1.ӿڡѡóʱעӿǷֻijӿȫǺϡмѡӿɶ߽ӿڹó䣺ӿɶֻյĵȶпγɽϴ˲ֻˣӿڹ׽ֻӿŪ

2.ṹóӿǹ̶ڱѹϻ߽ѹͽӿ߷ֿߵĺôΪͬͺֻʱֻ򵥵ظӿ߾Ϳˣȷ־á⣬óһ㶼зر·˱߿Դ󵨵ȷʽóȹ̶ʽóá

ȫΪسΪԴֱΪֻ硣ṩĵѹϵͣԳڲֻҪйر·ɡͨʹͺΪ34063ICͺΪ2907ʵֱܡʹЧICijȲܵijáǰֳͬǣǰһչܣر·ɳܷΧʱ˿۶ϣ𵽱áȻѡóȣѡʱֶһӿڵѡ񡪡ӵIJͷܷȹ̵زС

ֻǰIC

һIC

ȫģʽ·г硢ŵ繦ֻ֧ܵ(֧﮵)м򵥵Ĺر

ڶIC

ֿƵ·г硢ŵ繦ܣ֧ؼ﮵أйرܣŵϺԶ״̬ʱҪȸλּٳ

IC

ֿƵ·г硢ŵ繦ܣ֧ؼ﮵أйرܣŵϺԶ״̬Զֹͣ磻ʱ븴λ

ĵַ:http://www.cnonline.org/2002/article/2280.html

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