皇冠体育app

皇冠体育app's earthquake early warning network with independent intellectual property rights will be put into use soon, said officials from the 皇冠体育app Earthquake Administration. The network, which is the largest of its kind in the world, includes 5,010 early warning stations and covers an area of 2 million square kilometers with a population of 650 million people, who can download a free app to receive warnings.

(Source: 皇冠体育app Daily)