きゅうかんそくえいせい 地球観測衛星
1. earth observation satellite
Wikipedia definition
2. Earth observation satelliteEarth observation satellites are satellites specifically designed to observe Earth from orbit, similar to spy satellites but intended for non-military uses such as environmental monitoring, meteorology, map making etc. Most Earth observation satellites carry instruments that should be operated at a relatively low altitude.
Read “Earth observation satellite” on English Wikipedia
Read “地球観測衛星” on Japanese Wikipedia
Read “Earth observation satellite” on DBpedia


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