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"First two Starlink demo satellites, called Tintin A & B, deployed and communicating to Earth stations," SpaceX CEO Elon Musk tweeted.
"For those portions that have become ruins, the priority is to avoid or slow down their disappearance. Massive restoration is not suitable in such cases," the document said.
"For the time being, many companies still hold a wait-and-see attitude. More publicity work should be done to raise people's awareness of methanol cars," he said.
"Getting the information and designing products－that is a very difficult situation everywhere," said Jonathan Morduch, a professor of public policy and economics at the Wagner Graduate School of Public Service at New York University.
"For the economy to fully recover, people will have to be fully confident. And that may have to await the arrival of a vaccine," he said.
来源：资阳报