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Current progress in domestic research and development, construction and large-scale field testing of 5G technology shows the goal of starting trials for 5G commercialization in 2019 and complete commercialization of 5G in 2020 can be achieved, said Xiang Ligang, a telecom veteran and CEO of the industry website Cctime.

Cynthia Chennault, daughter of the late General Chennault, said the Flying Tigers' history was not forgotten and should be emphasized to reflect US-China friendship, respect and collaboration.

Cuts to overcapacity in certain sectors and rationalization of companies in key industries are still important. But the country will also help with more negotiations on trade facilitation agreements with foreign countries, including Canada and Israel, according to officials.

Currently, United Airlines has direct flights between San Francisco and second-tier Chinese cities Chengdu and Xi'an.

Crew members told investigators what Jennifer Homendy, a member of the NTSB, on Thursday called a harrowing story of the moments after the fire erupted on the vessel.