Aerial surveys locate general areas of interest or larger buried features, such as ancient buildings or fields.

空中勘测可以勘定大致目标区域或较大埋葬地貌，如古建筑或古战场。

It's a safer, cheaper and more precise method than the helicopters and planes traditionally used for aerial surveys.

相比传统用于航空勘测的直升机和飞机而言，无人机更安全、更经济、更精确。

Authorities also plan to conduct an aerial survey to determine whether there are any other whales in the area.

当局还计划进行空中调查，以确定该地区是否还有其他鲸鱼。

The latest aerial survey puts the hippopotamus population in northeastern Congo's Virunga National Park down to under 1,000 animals, compared to some 29,000 in 1974.

最近的一次飞机调查显示，在位于刚果东北部的维龙加国家公园里，河马的数量已从1974年的大约29,000只下降到目前的不到1,000只。

Researchers examined aerial surveys of more than 500 reefs north of the city of Cairns.

研究人员检查了对凯恩斯市以北 500 多个珊瑚礁的航测。

But the Center for Coastal Studies said Friday that its aerial survey team spotted a mom with two babies in Cape Cod Bay a day earlier.

但是海岸研究中心星期五称，一天前，其航测队在鳕鱼岬海湾发现了一头有两个幼鲸的母鲸。

All of this, the researchers claim, made the aerial survey as easy as pressing a button.

研究人员声称，所有这一切都让航测变得像按下按钮一样简单。

And Australian scientists who recently conducted aerial surveys say they observed bleaching over two-thirds of the reef.

最近进行航测的澳大利亚科学家表示，他们观察到超过三分之二的珊瑚礁发生了白化。

During an aerial survey of the area, scientists observed rings that nestled inside each other, and that these rings often merged.

在对该地区进行空中勘测时，科学家们观察到环状物相互依偎在一起，而且这些环状物经常合并。

And, for the first time, allow large aerial surveys of their chicks, which are currently counted on the ground—beak by beak.

并且，这是第一次允许对他们的雏鸟进行大规模的空中调查，这些雏鸟目前在地面上逐个喙地进行计数。

The pandemic has grounded us since 16 March, and I'm having similar thoughts about risk as we talk about resuming aerial surveys.

自 3 月 16 日以来， 大流行病使我们停飞，在我们谈论恢复航测时， 我对风险也有类似的想法。

The researchers also looked at six aerial surveys of the manatee population — conducted in 1997, 1999, 2000, 2001, 2002, 2014 — as well as two decades of boat registration data.

研究人员还分析了进行于 1997 年、1999 年、2000 年、2001 年、2002 年和 2014 年的六次海牛种群空中调查，以及 20 年来的船只登记数据。

The Sudanese air force called on citizens on Saturday to stay indoors as they conducted a full aerial survey of areas of paramilitary Rapid Support Forces activity amid conflicting reports from the two sides.

周六，苏丹空军呼吁公民呆在室内，因为他们对辅助军事快速支援部队的活动地区进行了全面的空中调查，而双方的报告相互矛盾。

Local whale species include the iconic humpback, fin whales, and the endangered North Atlantic right whale, these photographs captured thanks to a multi-air aerial survey conducted by Tetratech and the New York State Department of Environmental Conservation.

当地的鲸鱼物种包括标志性的座头鲸、长须鲸，还有濒临灭绝的北大西洋露脊鲸，这些照片的拍摄得益于Tetratech和纽约州环境保护部联合进行的多空航测。

We are using aerial surveys and underwater surveys to try and cover that whole enormous area of the Great Barrier Reef to get a handle on the extent and severity of the event.

我们正在使用航空调查和水下调查来尝试覆盖大堡礁的整个巨大区域，以了解事件的范围和严重程度。

Polar experts discovered the lake following three years of exhaustive aerial surveys over the sheet, which they peered through using radar and special sensors designed to measure minuscule changes in the Earth's gravity and its magnetic field.

极地专家在对这片湖进行了三年的详尽空中调查后发现了这个湖泊，他们使用雷达和特殊传感器来观察这些湖泊， 这些传感器旨在测量地球重力和磁场的微小变化。