搜索 - 科创

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运放的历史及其重要性1934年的某天，哈里·布莱克（Harry·Black）搭渡从他家所在的纽约到贝尔实验室所在的新泽西去上班。渡船舒缓了他那紧张的神经，使得他可以做一些概念性的思考。哈里有个难题要解...

“电子”小运载首次试射，未能入轨在连续3天因天气原因而推迟后，美国和新西兰小运载厂家火箭实验室公司的“电子”低成本小型运载火箭5月25日在位于新西兰北岛玛希亚半岛欧尼努伊站的1号发射设施进行了...

50岁的斯塔赫·埃尔霍茨（Stach Erholtz）是一位不幸的多发性骨髓瘤患者，她努力与病魔作斗争，经历了好几个化疗疗程，甚至还接受了两次干细胞移植手术。然而即使如此，她的病情依旧不容乐观。一切似...

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