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Also known as Perry David's Owl, a large owl without ear feathers. Females are always much larger than males, although no weight is available. The crown and upper feathers are very brown, with light or white stripes and spots, which are particularly prominent on the nape and mant
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The perigee of Mars is 55 million kilometers, and the apogee is a full 400 million kilometers. This is a planet that is very far away from us most of the time. Therefore, every time humans launch a probe, they have to choose the day carefully to prevent missing the most important
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After death, due to the termination of the life process, the putrefactive bacteria that were parasitic in the human body during life lost the control of the human immune system and grew and multiplied crazily.
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Recently, research in "Developmental Cells" revealed a key signaling molecule that can activate hair growth, providing a therapeutic target for the treatment of androgenetic alopecia, namely: the "SCUBE3" molecule.
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From the launch of China's first artificial earth satellite "Dongfanghong-1" in 1970, to the successful launch of China's first manned spacecraft Shenzhou 5 in 2003, to the Mars exploration journey of the "Tianwen-1" probe , until the Shenzhou 13 manned spacecraft returned succes
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Different from other creatures, our ancestors chose a very unique evolutionary route, with the brain as the core. Because of this choice, humans are now the "rulers" of the earth and have absolute dominance. Unless all other creatures on the earth unite to attack humans, then eve
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We all know that electricity, as a product of the industrial revolution, is also one of the main energy sources for mankind. It not only replaced the previous steam power, but also greatly improved the production efficiency of factories. As a result, my country's manufacturing in
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The Fields Medal is one of the highest international awards in the field of mathematics, equivalent to the Olympic mathematics gold medal. Because the Nobel Prize does not include a mathematics prize, the award is also known as the "Nobel Prize" in mathematics. Every four years,
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1. Shale is a kind of [ ] rock, which is mainly formed from clay after a long period of deposition and subjected to a certain pressure and temperature. A. Sedimentation B. Metamorphism C. Magma Answer: A.
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The advantages and disadvantages here are not necessarily the literal meaning of strength or weakness, but rather the ability to adapt to the natural environment. There are 1.4 billion people in China and more than 7 billion people in the world. So many people are not worth menti
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Let me ask you a very common sense question, can two different organisms have offspring? Without thinking about it, everyone will say no. Because of reproductive isolation, two organisms cannot produce offspring.
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2022EHA Annual Meeting Mantle cell lymphoma (MCL) is a B-cell lymphoma with unstable genome and high mutation frequency. The characteristics of genomic instability are associated with repeated relapse and short progression-free survival (PFS) and overall survival (OS). related.
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Female, native of Mianyang, Sichuan, deputy dean of the School of Education of Peking University, professor, doctoral supervisor, engaged in research on educational sociology and higher education. We are all willing to believe that there are gifted people, and we may also be will
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This afternoon, the Chengdu Universiade Torch Tour Series came to the Primary School Affiliated to Golden Apple Jincheng No. 1 Middle School. At the event site, the original song "Ronghuo Gathers You and Me" written, composed and sung by students specifically for the "Ronghuo" to
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Wang Mensen, vice principal of the Experimental School Affiliated to Zhuhai No. 1 Middle School, and Jin Leiyiming, director of the International Department’s College Guidance Center, visited the South + Zhuhai live broadcast room to promote the school and answer questions from n
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A comprehensive collection of domestic and foreign STEAM educational robot competitions (recommended collection)
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