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So far, LIGO and its partners have discovered four cases of gravitational waves coming from mergers of two black holes.
24. We recognize the importance of competition protection to ensure the efficient social and economic development of our countries, to stimulate innovative processes and to provide quality products to our consumers. We note the significance of the interaction between the Competition Authorities of our countries, in particular, in identifying and suppressing restrictive business practices that are of a transboundary nature.

Founded in 1978, Yuzhny is one of the three major ports in Ukraine. Last year, it became the busiest seaport of the country, having reloaded 39 million tons of commodities or 30 percent of Ukraine's total maritime cargo turnover.
BEIJING, Nov. 5 (Xinhua) -- China will hold the fourth World Internet Conference (WIC) next month in the river town of Wuzhen, east China's Zhejiang Province, said a statement released on the WIC website Sunday.
In the phone conversation, Xi also expressed sympathy and solicitude to Trump and the American people for the hurricane attacks on the United States over the past few days, and Trump expressed thanks therefor.
来源:资阳报