The birds fell over a 1-mile area of Beebe, and an aerial survey indicated that no other dead birds were found outside of that area.
鸟群掉落在毕博市内方圆一英里的范围内，一份天线调查报告显示，区域外未发现其他死亡掉落的鸟。
They are going to take a full aerial survey of the mountain area.
他们将对山区作全面的航空测量。
Environmental aerial survey and Evaluation System based on aerial survey, GIS and GPS technology is a way to survey and evaluate on large area quickly, efficiently and accurately.
基于航空测量、GIS与GPS技术的环境航空测量与评价系统是大面积环境测量与评价的高效、快速、精确的方法。
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