粮食减产与粮食安全
Decrease in Grain Production and Food Security
量子安全直接通信
Quantum secure direct communication
量子信息安全技术
Quantum information security technology
辽河石油勘探局质量安全环保部环保科
Department of Safety and Environment Protection
liaohe petroleum exploration bureau
辽河油田公司质量安全环保处
Department of Quality
Safety and Environmental Protection
PetroChina Liaohe Oilfield Company
辽宁工程技术大学安全工程技术研究院
Research Institute of Safety Engineering and Technology
liaoning technical university