The ECE automobile regulations and model approval system have been recognized by more and more countries around the world.

欧洲ece汽车技术法规及其型式批准制度越来越得到世界各国的广泛认可。

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In the United States, people can fly model aircraft without approval from the Federal Aviation Administration if they keep the drone in line of sight, lower than 400 feet above ground and away from airports and air traffic.

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Members vote their approval of a shot, and each vote earns the model 60 cents and the photographer 20.

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