a(chn)Ʒ
üyݗɫ
(qing)Чݗ书ܣOo(h)O(sh)Ӌ
l늴Ųֵ
pɜp֙C(j)̖
(d)СyȫΏ(f)wSg(sh)
oЧ־ԃ(yu)
Јķݗϼg(sh)
1. P䓽zٽzo(h)^Կ棬@ı^o(h)20dBֻ90%ݗ䡣
2. ~懵ȲP䓵ķo(h)(qing)Dzϴһϴ͵
3. yϣϴá{yӝB̼g(sh)(ni)¡ݗõĴ˼g(sh)
Ҫʾ
1. bĿǰ늴ݗh(hun)(yn)أhoՓͨI(y)Ů߀ڜ(zhn)(yng)ÌlЧķݗ书܃(ni)£b
2. xُݗ书܃(ni)»brȲПoҙ(qun)֡O(jin)y桷β鿴O(jin)y桷иlǷ^ߵЧhʹ֙C(j)(dng)C
3. a(chn)Ʒcꡢĥpˮϴh(yun)h(yun)^ռݗa(chn)Ʒ˷ݗ书ܸЧ־w̎\(yn)ӠB(ti)܇h(hun)ض^ߵɳr£횱ֱNãڃ(ni)Nһރ(ni)£鱾ƷLڽ|ҺgyĶpЧܡ
z
ُIƷݗ(ni)»ݗrՈÆΌӷݗyϰo֙C(j)ɷ犺֙C(j)̖(yng)@pʧڴһΕrg֙C(j)r֙C(j)̖(sh)һpų֙C(j)̖(sh)]Мpٵrc֙C(j)`ȡķrgLĥp̶ԼǷ֙C(j)l(f)صP(gun)
پW(wng)سZڷݗa(chn)Ʒx(dng)̥Ӱ푘O˱ϵЮa(chn)ƷgӭM(fi)߮(dng)CoЧ˿gӭҙ(qun)C(j)(gu)zO(jin)
a(chn)Ʒc
1(d){yӝB̼g(sh)ô˼g(sh)a(chn)ϿLôЧܻ׃
2Ϸo(h)lΌ(jng)ҙ(qun)C(j)(gu)O(jin)yCֵ55dBϣЧθ_(d)99.999999%
3yx߀пo늹No̼oκθ
4pᣬԏ(qing)N(ni)Ҳļ
5ȫo(h)̓(ni)²Nʽȫλo(h)̥܁ǰȸ늴ݗ䣬{(dio)(ji)O(sh)ӋΌ
ݗ(ni)£ݗϴͱB(yng)
1. Ʒˮн5-10犣ɼϴҺpppץˮƯϴɼC(j)ϴQϴ첻(dng)ɵ|(zh)}гГ(dn)
2. a(chn)ƷSLڴ^вĥpԼ(f)ϴ죬dBֵһrܱƽ30dBϵݗ书Ч˕r֙C(j)ԇmп̖ܽͨԝMճo(h)ͨݗƷNƷķݗֵ(sh)H20dBS߀½y̻ݗ似g(sh)ƳɵϣЧ־h(yun)ռͷݗa(chn)Ʒ_Ĵϴ첢MϴlʣyДMܣЧLa(chn)Ʒ
ƷƽB
wΣһ׃S@NеďVZ(ni)1999ͶЈԁVM(fi)ߵϲۺٝu(y)ŮĿеƷƺЇY̘(bio)ɂ顰(ni)¡ИI(y)Ĵ~ͨ^ƺŬһֱl(wi)Լ(ni)ИI(y)İλ
2003F(tun)Юa(chn)I(y)ļF(tun)ÿƼl(f)չ˾ͨ(ni)»A(ch)M(jn)Юa(chn)Ʒƺӱаl(f)a(chn)a(chn)(f)ϵСTmڮa(chn)ŮԵĽԡ䡱áƷƵĮa(chn)ϵЮa(chn)Ʒһea(b)ЈհAЈAÏVЮa(chn)ŮԵһºu2004ƳĪ(d)Ҽy(qing)ݗϵoȫ(qing)ݗܣɞ(ni)ݗЋDbИI(y)I(lng)܊a(chn)ƷSm(x)ƳġЮa(chn)ϵСܻyƷЮa(chn)ϵСţ̽zϵСȵȮa(chn)ƷҲ䪚(d)ضõĹЧԺͰȫԣʹáƷЋИI(y)ɞˏVM(fi)ĿеƷOߵu(y)
һֱģδԽáЮa(chn)ϵЮa(chn)ƷԸߵĘ(bio)(zhn)ҪԼԸõĮa(chn)Ʒ؈M(fi)ߵP(gun)
