发行时间：2020.01.01
总页数：31
编辑：
综保科技
摘要：
the french ministry for the armed forces
space defence strategy
report of the “space” working group
2019
space defence strategy
space defence strategy • 2019
space defence strategy • 2019
“a new frontier ” is the memorable phrase used by john fitzgerald kennedy to describe space in his speech accepting the democratic presidential nomination in 1960. a new horizon for the development of human knowledge had been identified and the space race had begun. if space was once a new frontier to be cros...
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