aerial survey
英 美
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。
Canadians always have been good mappers and aerial survey specialists, and it was the highest of high tech.
加拿大总是有好的制图和航空测量专家，并且是精英中的精英。
An aerial survey of Guinea's territorial waters found that 60% of the 2, 313 ships spotted were committing offences.
几内亚领海的航空考察发现，2313条渔船中有60%进行非法捕捞。
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