Optics RRR - Rubble Rescue Radar (A low power hand-held microwave device for the detection of trapped human personnel) ... 2022-06-15 阅读 256 发表评论(0) 阅读全文
Waste_Managment RRRRR - Reduce, Reuse, Recycle, Recover, Landfilling ... 2022-06-15 阅读 821 发表评论(0) 阅读全文
Environmental RRRRRRR - Rethink, Refuse, Reduce, Repurpose, Reuse, Recycle, Rot ... 2022-07-19 阅读 710 发表评论(0) 阅读全文
