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This article is from WeChat public account: Geek Park (ID: Geek Park) , author: opposition, from the title figure: vision China When the technology is ready, when the demand breaks out, it depends on when the economic account can be calculated. “Drug spraying drones have dropped from more than 100,000 to 30,000 to 50,000, and now they have dropped to 20,000 to 30,000. With government subsidies, they may be able.. Read More

CCTV news client April 22 news, affected by factors such as international oil prices plunge Allow oil options with negative quotes to be listed. (Originally titled “CME Group (CME) will allow the listing of oil options with negative quotes from April 22”)

Science and Technology Daily, Beijing, April 21 According to a recent report from the website of Science in the United States, scientists have detected the most peculiar pair of black holes to date-the two black holes have a mass difference of more than twice and the gravitational waves generated. The researchers said that the newly discovered gravitational waves have multiple frequencies, and once again confirmed the correctness of Einstein’s theory.. Read More

On April 21, Zhoukou City, Henan Province issued the “Notice of Zhoukou City Housing and Urban-Rural Construction Bureau on the Special Remediation Action for the Real Estate Market Chaos” (hereinafter referred to as “” Notice “). Special actions such as self-correction, spot checks and inspections by the competent authorities, combating arbitrary charging, overcharging, and compulsory charging of real estate development companies, and managing illegal sales of real estate development companies.. Read More

This article comes from the WeChat public account: Sanlihe (ID: Sanlihe1) , author: River three years, the original title: “South Pacific epidemic: Singapura serious problem for hospitality workers, no new Vietnam six days”, from the title figure: vision China As of April 21, the total number of diagnoses in the six countries of the Philippines, Asia, Indonesia, Thailand, Singapore, and Vietnam was 31,420, with a total of 7,970 cured and.. Read More

Science and Technology Daily, Nanjing, April 21, the Milky Way is about 100,000 to 180,000 light-years in diameter, the solar system is far from the center of the Milky Way, and is located close to the galactic plane, so we see the rotation The arms are all projected onto the celestial sphere and cannot be distinguished. On the 21st, Nanjing University released news that the famous magazine “Scientific American” recently.. Read More

In recent years, domestic professors have been exposed to copying undergraduate thesis. This time, not only the undergraduate thesis, but also abroad. After more than 4 years, the journal finally issued a statement to retract the manuscript. The incident happened to Dai Meifeng, a professor at the School of Science of Jiangsu University. On April 9th, the “Science Report” magazine of Nature published a statement on the website, withdrawing an.. Read More

Yellow catfish Science and Technology Daily, Nanjing, April 21st: The yellow spicy fish that northerners like to eat and the ang fish that southerners like to eat are actually yellow catfish. However, the small size, low meat production rate, and slow growth of yellow catfish really make foodies wait anxiously. On the 21st, the reporter learned from Nanjing University that the Li Kaibin team of the Pearl River Fisheries Research.. Read More

This article comes from the WeChat official account: Yuanchuan Research Institute (ID: caijingyanjiu ) , author: high wing, title figure from: vision China In 1931, Wuhan suffered a major disaster. The central China region has been experiencing heavy snow since the winter of 1930. In the spring of the following year, snowmelt brought together unbroken plum rain, which gradually increased the water level of the rivers in the Jianghuai region… Read More