单词:lovelace
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VOICE ONE: Im Steve Ember. VOICE TWO: And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known as the Mercury Thirteen. They never reached
计算机科学是在30年代开始的....19世纪30年代.John Graham-Cumming 讲述了Charles Babbage的机械,蒸汽能量的分析引擎,并且讲述了Ada Lovelace,拜伦王的女儿以及一个数学家,是怎样从简单的计算能力去看到电
How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known
EXPLORATIONS - How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today