On November 2, Peng Shuai went online, and she said that former Chinese Vice Premier Zhang Gaoli forced her to have sex with him. Only minutes later, someone removed her post from Chinese social media, and since then, Peng was silent. No one has seen her publicly for two weeks. The he...
“We must unite and be willing to take action unless corroborated evidence is provided to the world about Peng Shuai’s well-being,” the association said. U.S. Deputy Secretary of State Wendy Sherman tweeted: “We are deeply concerned by reports that tennis player Peng Shuai appears to be ...
The same is true for tennis. We know the athletes already. We even know them in this venue. (How will Swiatek fare on the red clay of Roland Garros? That’s been answered decisively already.) Fans love Djokovic, Nadal and Carlos Alcaraz. Most are not going to change those loyalties jus...
Notice that, both of them depend on a fixed base station with a known position nearby, though the principle of them is quite different. In Oct 2020, when we write this paper, RTK GPS is still an extraordinary expensive approach and usually be used to define the ground truth position of ...