沙漠蝗监测技术规程Monitoring technical rule for Schistocerca gregariaICS 65.020.20CCS B 16中华人民共和国国家标准GB/T 44609—20242024-09-29 发布2025-04-01 实施国家市场监督管理总局国家标准化管理委员会发 布目　　次前言 ····································································...