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"Environmental monitoring shows that the water quality of Baiyangdian Lake is currently affected by four key pollutants - chemical oxygen demand, ammonia nitrogen, total phosphorus and total nitrogen," Shan said. "More than 50 percent of the chemical oxygen demand and total phosphorus come from domestic wastewater and trash from villages located in and around the lake and from fish farming activities in these villages."

"Essentially that amounts to martial law," he said.

"Every technology must have an application scenario, and should understand what kind of scenario it is," said Ding Lei, CEO of NetEase.

"Everyone is doing great," Bryan Amaral, senior curator of mammals at the Smithsonian's National Zoo, said of the three bears. He said that Mei Xiang underwent two artificial inseminations last week, and it's too early to tell if she is pregnant.

"Domestic demand from companies such as Huawei Technologies Co has increased, and a number of foreign companies have set up their factories in China to cater to domestic demand instead of exporting overseas," Zhou said.