About a thousand US public safety departments use drones says Romeo Durscher with DJI.

大疆的Romeo Durscher说，大约有一千个美国公共安全部门使用无人机。

These let residents vote on a board which then establishes policies that can raise taxes, build stuff, or fund public safety departments.

这些会议让居民们对一个委员会进行投票，然后由该委员会制定政策，以提高税收、建设设施或为公共安全部门提供资金。

The New York-based Center for the Study of the Drone at Bard College examines the use of drones by public safety departments across the United States.

总部位于纽约的巴德学院无人机研究中心调查了美国各地公共安全部门使用无人机的情况。