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NF EN ISO 389-3-2016 聲學(xué).聽力測定儀器的校準用基準 0 .第3部分:純音和骨振動器用基準等效聽閾強度級 Acoustics -...2023-11-17

DIN EN ISO 389-1-2018 Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Ref...2023-08-27

GB/T 4854.3-1998聲學(xué) 校準測聽設(shè)備的基準零級第3部分;骨振器純音基準等效閾力級Acoustics-Reference zero for t...2022-06-09

Analysis of Network Traffic with Extreme Value Theory2020-12-06

Study on the threshold value of organic enrichment of carbonate as gas source rocks2020-09-15