STEM与日常科技·英语30篇（1）

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无人机配送的法规限制与运行约束

Commercial drone deliveries must comply with strict aviation rules set by national authorities like the FAA or EASA.
Most regulations prohibit flying beyond the operator’s visual line of sight or over people without special permits.
Weight limits—often under 2.5 kg—restrict package size and delivery range for safety reasons.
Urban airspace is especially crowded, requiring coordination with manned aircraft and air traffic control systems.
Weather matters too: strong winds, rain, or low visibility can ground drones instantly due to sensor limitations.
Battery life typically allows only 20–30 minutes of flight, limiting round-trip distance to about 10 km.
Privacy concerns have led some communities to ban drone flights entirely near residential zones.
Automated collision-avoidance software helps, but fails in unpredictable environments like narrow alleyways.
Pilots must log all flights and maintain remote ID transponders for real-time tracking.
Regulators balance innovation with safety, updating rules slowly as technology and public trust evolve.