lrg2020-11-12ٷrIՓg[1
ժ Ҫ ժҪЧMҎBigҪᘌiϵĹBhMЧطMiBֳ|ʹ܉@øõĽЧ PI~Ҏi;i;iBֳ ˂Ʒ|ԽԽߵĮ˂
ժҪЧMҎBigߣҪᘌiϵĹBhMЧطMiBֳ|ʹ܉@øõĽЧ
PI~Ҏģi;i;iBֳ
˂Ʒ|ԽԽߵĮ˂iҪҲLBiIѽuҎķlչҎBiĺxָMBigPOƌWMiBֳЧشMҎBiİlչҪտƌWĹiķi|ĶƄ҇Ilչ
1i
iˮƽҎBiPIЧiBֳ^׳FļiʮҪڱiBֳ^нiҪiMпƌWЧĹ@ҪBiˆTƌWķoRPעiÿrһiڰlr܉rMίĸԴ粡ԭɱi֮gγɴҎģĂȾiIJ^أɌiMиx^ͬrPTӏˎᘌNѽF߀δlڱi֮еļMоMMˎճЌڸNMЧĿYˎڱiM坍ˎĄБעYϱiČHrˎˎĴБע⌢ˎڸͨLĵطˎܳ^ڵĽY֮ԪͬrԪҪڿƌWķMʹճιʳSԪԺ̶ܴȵĝM㱣iLЧiĵֿ[1]
2Ϲ
2.1xm
õόڱiijLʮõĎһгF˱ùȾĆ}BֳˆTδע⣬ʹiʳ@Niͷֳһr߀iaIµİYΣiĽᘌiMзi̎ڰlgCwܲرʳ˱ùظȾiLixʮҪҪ_ϵ|PTҎĘ˜MЇİPڃϕrҪϷڸﲢͨLõĵطڌMЙzCϵı|ڃȌiMιʳͨ^@ЩʩЧAiϳF}r
2.2aIB
MiBֳ^_i@ȡĠIB㣬ЧشMiĮaõʹiijʴLʹBֳĽõЧiB^УϵƷ|ڱiʾֱӵӰڌڱiMͶιrBˆTiLr֮ϣMк_iϵijɷ֠IBĶʹi܉LiĮaߡڌHճB^BˆTҪճBֳĽciϵĴMпƌWġЙCĽYע⵰|ܳеĺ|ĺҎ֮еĴּZԼZMпƌWĴ@ӵ܉ʹiڳL^еյĠIBǾʹiӽĶ̶ܴϴM˱iĮaߡ
3Bh
iĭhڱiLͬӾʮҪhSѷeԼɱiȾҪԴ@ҲfڱiBֳhزݺҕiڭh^ʹiõõLhɏɂMо
3.1ڱiLhаҪĽɫiĺBˮԼSlˮiгFˮҪԴ՚IJͨʹ@ЩˮMiڸߜصiaӰڵ͜ص_80%ϕr͕±ilðPLһϵмҝȵӌɱiϵĔz^O̶ȵؽ˱iLٶȡ@NrBֳˆTڶɲiЉ|ݵķʽMiضȵı|ݵķʽ߀ֹiᳱЧ
3.2iᑪMͨLQ⣬S՚aiеļSҺڲ̶ͬγк|ihĽܵӰ푡@ЩкwڱiĺɱiFˮ[Ѫȼ[2]ߌiͨLi^нO@ӲH܉ͨL߀ԾSiĜض
Pڿ]FtƼϢҪcIPϢ߷ҎՓcCIИIӑBоFtlʳBiBFˎϢOУՓcC߷ҎʳBiBԇоFtlˮaϢFˎϢƼϢ̌WоșĿ
4YZ
C˴Mi܉õijLiӏMйЧAiİlSiὡĭhĸԴϽQiBֳ^гFĆ}ʹBֳиMBֳg——ՓߣY rɽ G
SCISSCIAHCI