米海軍:レーザーでドローン破壊:Northrup Grumman/System Demonstrator (LWSD)(動画):  Watch this US Navy ship destroy a flying drone with a laser weapon:  观看这艘美国海军舰船用激光武器摧毁飞行的无人机

laser, Defense

COVID-19:4月米国新車発売実績:対前年同月比52%減少(動画):  COVID-19: New US vehicle sales in April: 52% year-on-year decrease:  COVID-19:4月份美国新车销量:同比下降52%

AUTO, Sales

COVID-19:宮崎大、深紫外線LED(発光ダイオード)開発:感染力99%超減少:  COVID-19: Univ of Miyazaki, deep ultraviolet LED : Infectious power decreased by over 99%:  COVID-19:宫崎大学,深紫外LED(发光二极管)开发:感染力降低了99%以上

hospital, pollution, flu, Medical care, Environment

陸上自衛隊:冨士総合火力演習(総火演):無観客で実施(動画):  JGDSF: Fuji comprehensive thermal power exercise (SOUKAEN): Conducted by no audience:  地面自卫队:富士综合火力演习(总火力表现):无观众指挥

ARMS, tank, Defense

COVID-19:4月、中国新車販売実績:日本6社も回復基調 COVID-19: New car sales in China in April: Six Japanese companies are recovering COVID-19:4月在中国的新车销售:六家日本公司正在复苏

AUTO, Sales

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