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Siemens Medical AG: Siemens Medical acquired Advanced Accelerator Applied Molecular Imaging Company.The CEO of Ultramicro Computer said that he believed that the company would not be delisted by Nasdaq.Siemens Medical AG: Siemens Medical acquired Advanced Accelerator Applied Molecular Imaging Company.

General Staff of the Chadian Army: French troops began to leave Chad. On December 10th, local time, the General Staff of the Chadian Army announced that French troops stationed in Chad began to gradually leave Chad that day. On November 28, 2024, the Ministry of Foreign Affairs of Chad announced the termination of the security and defense cooperation agreement with France revised in September 2019. On December 10th, several French warplanes took off from N 'Djamena airport, the capital of Chad, leaving Chad, which marked the official start of the French withdrawal.The STOXX 600 index in Europe fell by 0.5% to 518.58 points.French President Macron hopes to appoint a new prime minister within 48 hours. French President Macron called representatives of most political parties at the Elysee Palace on the afternoon of December 10th local time to discuss the establishment of the new government and the choice of prime minister. The meeting lasted for three hours. The far-left party "Unyielding France" and the far-right party National Union are not invited. According to the information disclosed by the participants, Macron hopes that the political parties can reach an agreement that at least will not overthrow the new government, and hopes to appoint a new prime minister within 48 hours.

United Nations report: Three quarters of the earth's land is gradually dry due to climate change. The 16th Conference of the Parties to the United Nations Convention to Combat Desertification (COP 16) was held in Riyadh, Saudi Arabia, from December 2 to 13. On the 9th, the United Nations released a report during the meeting, saying that about three-quarters of the world's land has gradually become dry due to climate change. The report found that in the 30 years before 2020, about 77.6% of the world's land became drier than before. At present, except Antarctica, the dry land area accounts for about 40% of the global land area. Between 1990 and 2020 alone, the global dry land area increased by 4.3 million square kilometers.Putin: Having a sufficient number of "Hazelnut" missile systems will not require the use of nuclear weapons. Russian President Putin said that Russia has not upgraded its nuclear doctrine, but improved it. Generally speaking, what Russia needs to improve now is not the nuclear doctrine, but the "hazel tree" missile system. In fact, having a sufficient number of "hazel tree" modern weapon systems will hardly require the use of nuclear weapons. Putin said that Russia has been very cautious and even restrained in all aspects. But when necessary, Russia will show the necessary will at the national level and at the level of Russian citizens.The "fourth generation residence" is coming? Recently, official website, Beijing Municipal Planning and Natural Resources Committee, issued "Guidelines for the Design of High-quality Commercial Residential Buildings in Beijing (Trial)", which proposed for the first time to encourage the setting of overhead floors on the first floor of residential buildings to create a shared green public space with indoor and outdoor integration; Encourage the establishment of open wind and rain corridors in the community; Encourage the setting of open balconies in multi-storey houses. For the first time, the Guideline proposes to encourage the setting of overhead floors with transparent sight and open space on the ground floor of residential buildings, which can be used as public activities and communication spaces for residents, and the overhead area can not be included in the floor area ratio.