Impact of electrification of urban new energy electric vehicles on ecological environment Ecological impact assessment: Analyze the improvement of urban environment by reducing traditional energy consumption and pollutant emission by electric vehicles. Modeling: Build an environmental impact assessment model, taking into account factors such as electric vehicle penetration rate, pollutant emission reduction and energy consumption reduction.

Write an open letter summary: Based on the conclusion of the fifth question, emphasize the environmental advantages of new energy electric vehicles. This paper introduces the global contribution and industrial trend of electric vehicle industry.

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The Mathematical Modeling Competition for College Students is a discipline competition for college students in the Asia-Pacific region jointly organized by the Organizing Committee of the Mathematical Modeling Competition for College Students in the Asia-Pacific region and mathematicians (formerly Institute of Mathematical Modeling). The competition lasts for 4 days, and the participants are full-time college students. The team consists of 1-3 college students.

The questions and test materials of the competition are all in English, and students are required to write their answers in English. It is another international mathematical modeling competition after the American college students' mathematical modeling competition, and it is also a large-scale activity before the American mathematical modeling competition begins.

The mathematical modeling competition for college students in the Asia-Pacific region is a disciplinary activity for college students in the Asia-Pacific region jointly organized by APMCM Organizing Committee and mathematicians (former school mathematics). The competition lasts for 4 days, and the participants are full-time college students. The team consists of 2-3 college students.

The questions and test materials of the competition are all in English, and students are required to write their answers in English. It is another international mathematical modeling competition after the American mathematical modeling competition for college students, and it is also a large-scale activity before the American mathematical modeling competition begins. This competition is the ninth on 20 19. The number of participants in the ninth competition has reached nearly 20,000, and there are more than 506 participating universities.

After more than six years of development, the Asia-Pacific Mathematics Competition has become an influential competition in the fields of basic disciplines and applied science and technology in the Asia-Pacific region. Tsinghua University, Nanyang Technological University, National University of Singapore, Queensland University of Science and Technology and other famous universities in the Asia-Pacific region attract thousands of excellent teams to participate in the competition every year.