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单词 earth resources technology satellite
释义 earth resources technology satellite
[¦ǝrth ri¦sȯr·sǝz tek¦näl·ǝ·je `sad·ǝl´īt]
AEROSPACE ENGINEERING
One of a series of satellites designed primarily to measure the natural resources of the earth; functions include mapping, cataloging water resources, surveying crops and forests, tracing sources of water and air pollution, identifying soil and rock formations, and acquiring oceanographic data. Abbreviated ERTS.
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