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单词
high energy astrophysical observatory
释义
WordReference Random House Unabridged Dictionary of American English © 2024
High
′
En
′
ergy Astrophys
′
ical Observ
′
atory,
Astronomy
one of a series of three U.S. satellites launched (1977–79) into orbit around the earth and equipped with instruments for studying high-energy phenomena, as x-rays, gamma rays, and cosmic rays.
Abbr.:
HEAO
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更新时间:2025/7/31 8:35:41