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ʱ:2022-4-22 15:55:09   :   Ժδ: 
 


ʱ´ݳΪʱڵҪʣҹͻҪеϢΪ˲ɻȱĻڣݻȫģ7*24СʱС

ITӲѰļȸɣͬʱ¶Ȼʪȵıޱ,Ĭյ¶ȹߣӡˢ·ĽṹǿȻ¶ȹͣԵϻ࣬ͬʹṹǿȱ;Լ¼ʶԣ¶ȹ߻ͶᵼݵĶʧȡϡ¶ȻʪȵȶܻһЩ⣬磬ʱ룬شʱϵͳͣɺɥʧ

Ϊʲôֻܲúʪ㾻ľܿյ

ܿյϵͳΪ˽׼ȷ¶Ⱥʪգܿյϵͳӵиοԣ֤ϵͳУҾ߱άԡװԺԣܹ֤ݻļյС

ҰΪAࡢBC࣬Ҫһ׼ָ˳ν͡

A

¶/ʪ

231

40%~55%

B

¶/ʪ

231

40%~55%

C

¶/ʪ

18~28

35%~75%

ܿյ

and

Կյ

ݻֻѡϸյ

ڻУȸɶٺITӲƹ⡢֧װ͹緢ɡڼֱˣޣԣDZʮ١

Σյȱ쳣ߣΪ0.95~0.99ֻлܿյԵַdzߵȱȡ

ԿյȱͨΪ0.65~0.70

 
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