They also track civilians using a liquid tracking device.

还可以用液体追踪设备追踪民众。

Two types of unmanned aircraft are now approved for civilian use.

现在有两种无人机允许用于民用用途。

Manufacturers point out that their vehicles, designed for the military, can be converted for civilian use.

制造商指出他们专为军事设计的飞机可以转换成民用型。

The main obstacle for civilian use of drones in the United States is the lack of regulations.

但在美国无人机民用所面临的主要问题是相关规定的缺乏。

" That capability, I think, will make sure that it is reliable and safe for both military and civilian use" .

" 我认为这种可能性会确保其在军用和民用方面都是可靠且安全的。"

There were civilian uses too, but not many, as larger reactors went  on to become more economically viable.

也有民用用途，但数量不多，因为更大的反应堆在经济上变得更加可行。

Science is applied to our environment protection; science is applied to civilian use of nuclear energy; science is applied to the improvement of people's health and wealth, for instance.

科学应用于我们的环境保护;科学应用于民用核能;例如，科学应用于改善人们的健康和财富。