The technology detects what products shoppers take from or return to shelves and keeps track of them in a virtual cart. When done shopping, customers just walk out, and their cards are charged for the items.
The term "artificial intelligence" is often associated with driverless cars and highly sophisticated machines that can outsmart even the best of human minds in complicated tasks, such as the strategy board game Go.
The three-day session kicked off on Friday in Beijing and is focusing on topics about global governance affairs.
The tornado, packing winds up to 23 meters per second, struck the city of Kaiyuan around 5:15 pm, the publicity department of the city government said.
The top three countries for annual poverty reduction are Tajikistan (2.63 percentage points), Turkmenistan (2.45 percentage points) and China (2.33 percentage points), according to the report.
The temple honors Aisin Gioro, the clan of Manchu emperors, and has two tablets displaying the merits of village's ancestors.
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The tourist numbers bounced back to about 81 percent of the level during the same period last year, while the tourism revenue recovered about 71 percent.
The total number of civil helicopters in China is expected to increase to 1,500 by 2020.
The telecom operator also said its first-half net profit rose 68.9 percent to 2.42 billion yuan from 1.43 billion yuan a year earlier, while its revenue fell slightly to 138.16 billion yuan from 140.26 billion yuan the previous year.
The town government has asked villagers not to gossip about the matter in order to protect the juvenile mother's privacy.