remote sensing
US /rɪˌmoʊt ˈsensɪŋ/
UK /rɪˌmoʊt ˈsensɪŋ/

1.
遥感
the scanning of the earth by satellite or high-flying aircraft in order to obtain information about it
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Remote sensing is crucial for monitoring deforestation.
遥感对于监测森林砍伐至关重要。
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Advances in remote sensing technology have revolutionized cartography.
遥感技术的进步彻底改变了制图学。