Eg: This technique fulfilled the zero breakthrough in aerospacehistory.
例:这项技术在航天史上是零的突破。
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In the late 1960s and early 1970s, seminars on aerospacehistory held at the National Air museum-as it was then called-opened with the ceremonial placement of this lunchbox on the table.
The Age of Aerospace recounts the fate of a company, a country, and its people, and the countless contributions to technology, culture, and history they have made.