Home / Standards / GB/T 46960-2025 GB/T 46960-2025 Upcoming Acoustics—Frequency-weighting characteristic for infrasound measurements 声学 次声测量的频率计权特性 Standard Type GBT ICS 17.140 CCS A59 Status 即将实施 Issue Date 2025-12-31 Implementation 2026-07-01 Responsible Dept 中国科学院 Drafting Unit N/A