Today, Boeing announced that it had won the multi-billion dollar contract (starting at around $20 billion) to develop and supply the Next Generation Air Dominance Fighter for USAF. The new aircraft ...
在最近的政府工作报告中,“加强新污染物协同治理和环境风险管控”再次成为焦点,这已是“新污染物治理”连续第四年被写入报告。面对全氟化合物(PFAS)、农药等新污染物的复杂挑战,生态环境部发布的《新污染物生态环境监测标准体系表(2024年版 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果