Atmospheric drone gas detector
UAVs have a wide range of applications in atmospheric monitoring. The UAV equipped gas detector is mainly used to detect temperature, humidity and other related gas concentration data in the environment, and can view the detection data in real time, view historical data, view the flight trajectory on the map, and compare the data at different times in the same place.
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02-13
In the second year of Song Zhenzong's Tianxi, in the month of Mengxia in 1018 AD, the ancient city of Luoyang was shrouded in an unprecedented panic. A strange rumor spread rapidly through the streets: there are...
Northern song dynasty China history
02-13
ForewordHistory has always been complex, but all historical figures, their evaluations must be both positive and negative. What I'm going to talk about today is Li Zicheng, the king of Chuang, probably because he...
02-17
In mid-July 1946, a series of political assassinations took place in Kunming, Yunnan Province, the most famous of which were the democrats Li Gongpu and Mr. Wen Yiduo, who were respectively arrested by the state in less than three days apart.
02-19
Following the American Evan Kell, the Frenchman Marcus once again provided China with photographs of the atrocities of the Japanese invasion of China. On February 18-20, the Frenchman Marcus and his two buddies who supported him...
02-21
History is sometimes like a mischievous boy who prefers to make unpredictable jokes. Thirty-five years ago, the superpower that had attracted the world's attention suddenly collapsed, the red flag fell, and the ...
03-02
Overnight, the entire Chinese Internet seemed to be "crusading" Australia, and I wondered what Australia had done. Then I picked up Australia's black history,...
03-07
The ancestor left a sentence, "If the sky wants to die, it will make it crazy", and I think this sentence is very reasonable. "Heaven wants to die, but it will make it mad", which means that a person or a regime is arrogant...
04-01
In the 20s of the 20th century, the United States ushered in its own era of unprecedented prosperity, when Americans used the First World War to make war money and accumulate huge wealth.
04-04
The rise and fall of dynasties is a common topic in Chinese history. Some dynasties can last for hundreds of years, and the scenery is infinite, while others are like meteors passing by, fleeting. To say the most "nested" dynasty...
04-07
Foreword: U.S. President Trump's gambler mentality broke out, because China announced a 34% reciprocal tariff, Trump will add an additional 50% tariff on Chinese goods, plus the previous impose...
trade war Northern song dynasty Western Xia United States history trade
04-09
The Guangdong-Hong Kong-Macao Greater Bay Area, with nine cities and two districts (Guangzhou-Foshan-Zhaozhou, Shenzhen-Dongguan-Huizhou, Zhuzhongjiang, Hong Kong and Macao), is one of the world's four major bay areas along with New York Bay, Tokyo Bay and San Francisco Bay Area. Although it has been by...
04-22
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04-29
The NBA playoffs have changed dramatically, the defending champions have suffered a 20-point reversal in a row, the first place in the East has also pulled its hips, 2 dark horses were born, and the two groups fell behind 0-2 for the first time in history, and the Warriors really have no chance...
05-08
