But the unmanned aerial vehicle remote sensing technique by high superiority and so on resolution, data fast processing, to place real-time investigation, low end, is widely applied.

而无人机遥感技术以高分辨率、数据快速处理、对地实时调查、低价位等优势，被广泛应用。

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The bombs were detonated by remote control, according to U.S. officials close to the investigation who spoke on condition of anonymity because they were not authorized to discuss it publicly.

NPR: Boston Bomb Investigation Extends To Russia