Geographical Significance of Topographic Features in China
Topographic features: high in the west and low in the east, with ladder-like distribution. Significance: It is beneficial for the moist air on the ocean to penetrate into the mainland and form precipitation; Make many rivers flow and communicate east-west traffic; Rivers generate huge water energy at the junction of topographic steps.
Geographical significance of Huaihe River in Qinling Mountains
The dividing line between the north and the south of China; The dividing line between temperate monsoon climate (north) and subtropical monsoon climate (south); The dividing line between warm temperate zone (north) and subtropical zone (south); The dividing line between temperate deciduous broad-leaved forest belt (north) and subtropical evergreen broad-leaved forest belt (south); The dividing line between brown soil (north) and red and yellow soil (south); The watershed between the Yellow River system and the Yangtze River system; The dividing line between semi-humid area (north) and humid area (south); The dividing line between the North China Plain and the middle and lower reaches of the Yangtze River, the Loess Plateau and the Sichuan Basin; The dividing line between frozen and unfrozen rivers in winter; The dividing line between the main wheat producing areas (northern dry farming) and the main rice producing areas (southern rice agriculture); The northern limit of the growth of subtropical fruit citrus (citrus is born in the south)
Geographical significance of water cycle
Maintain the global water balance, make the land fresh water resources constantly updated, and promote the migration of materials and energy between the earth's various circles and land and sea.
Influence of periodic flooding of Nile River in ancient Egypt on agricultural production
Bring fertile soil, so that soil fertility will not decline year after year, which is beneficial to the growth of crops.
Practical significance of geological structure
Avoid disasters and gain economic, ecological and social benefits. Specifically, it includes: the exploitation of groundwater resources should be selected in syncline; Oil and gas resources exploitation and tunnel excavation should be selected in anticline; The location of large-scale projects and reservoirs should avoid fault zones.
The significance of industrial agglomeration
Make full use of infrastructure; Strengthen information exchange and cooperation between them; Reduce transportation costs and energy consumption; Expand the overall production capacity, reduce production costs and obtain economies of scale.
Significance of Nanning-Kunming Railway Construction
Conducive to resource development and material export (solving the transportation problems of Yunnan phosphate rock and Guizhou coal, and promoting hydropower development of Hongshui River and Pingguo aluminum mine in Guangxi); It is beneficial to give play to the economic radiation function of the railway; It is conducive to speeding up opening up and developing an export-oriented economy; It is conducive to the development of rich tourism resources in southwest China and the development of related industries and even the entire tertiary industry in this area; It is conducive to accelerating the pace of poverty alleviation and maintaining social stability; Conducive to consolidating national unity; It is conducive to consolidating national defense and defending the frontier.
Functions of Ring-Radial Urban Road Network
Radiation facilitates the traffic in the city center and makes the city center the most accessible area. The ring road shortens the distance between urban endpoints, avoids introducing a large number of people and cars into the city center, and reduces traffic congestion and traffic pollution in the city center.
Significance of developing tourism
It is conducive to stimulating consumption and promoting the development of other industries; It is conducive to strengthening the country's economic strength, especially international tourism is conducive to increasing foreign exchange income; Conducive to expanding employment; Conducive to improving people's living standards and quality of life; Promote the development of industries related to the national economy; Expand exchanges; Meet the high-level needs of mankind
The beneficial influence of population mobility on cities
Population mobility provides a large number of cheap labor for cities and creates conditions for urban economic development; It promotes the development of urban commerce and increases the income of the city; Changing the city's economic structure is conducive to the deepening of the reform of the city's economic structure system; Promote the development of urban tertiary industry; Promote the development of agriculture, animal husbandry, fishery and sideline in the surrounding areas of the city; Check the conditions of ideological and cultural exchanges between urban and rural areas, and promote the diversified development of urban culture.
Comprehensive benefits of the Three Gorges Project
Flood control (improve the flood control standard of Jingjiang reach; Reduce the siltation of Dongting Lake; Reduce the threat of flood to Wuhan; Greatly reduce the losses caused by flood diversion and storage); Power generation (transforming resource advantages into economic advantages and promoting economic development; Alleviate the energy shortage in Central China and East China); Shipping (improve shipping conditions in Chuanjiang; Increase the downstream flow in dry season, reduce the sediment in the estuary and improve the navigation capacity of the estuary); Water supply and irrigation; Aquaculture; Tourism; Changing coal transportation into power transmission to reduce the pressure of railway transportation; Hydropower replaces thermal power to reduce air pollution; Prevention and control of schistosomiasis; Adjust the local climate; Promote the development of related industries and expand employment.
Significance of controlling soil erosion
In order to increase farmers' income, promote local economic development, improve farmers' living conditions and improve their quality of life; Conducive to improving the local ecological environment and establishing a benign ecosystem; The establishment of ecological agriculture model is conducive to promoting the sustainable development of ecology and economy.
Significance of South-to-North Water Transfer Project
Improve the ecological environment in the Huang-Huai-Hai area, so that the northern part of China will gradually become a water-saving and pollution-proof society with reasonable water resources allocation and good water environment, and realize sustainable development; Effectively solve the water quality problems caused by natural causes in some northern areas and improve the quality of local drinking water; Relieve the restriction of water shortage on urbanization development in northern China, and promote the local urbanization process.
Influence of West-to-East Gas Transmission Project and West-to-East Power Transmission Project on East and West Regions
Significance to the west: transforming the rich resource advantages in the west into economic advantages and increasing fiscal revenue; Increase employment; Promote the development of related industries and adjust the industrial structure; It is conducive to strengthening infrastructure construction and improving the investment environment; Changing the energy consumption structure and promoting the ecological construction in the western region are conducive to returning farmland to forests and soil and water conservation. (2) For the eastern region: provide clean, high-quality, reliable and cheap energy for the eastern region, alleviate energy shortage, and promote economic development and social progress in the eastern region; Adjust energy consumption structure and improve environmental quality.
The Significance of China Launching shenzhou spaceship
Development and utilization of space resources; Develop cutting-edge technology and improve the level of science and technology; Demonstrate national strength and enhance the country's international status; Enhance national pride and national cohesion; Strengthen military strength and ensure national defense security
The role of the second Eurasian continental bridge in international trade
Make the traffic between Asia and Europe more convenient, shorten the trade distance, promote commodity exchange and promote the development of international trade.
Significance of China-Kazakhstan Oil Pipeline Construction
For Kazakhstan, the advantages of oil resources can be transformed into economic advantages; Promote infrastructure construction along Kazakhstan; Stimulate the development of related industries and increase employment opportunities. For China, it can reduce China's dependence on Middle East oil; Increase the diversification of oil imports; China will obtain a long-term and stable onshore oil source; The pipeline is located in the inland of Asia, and the oil pipeline is safe; Nearby can save transportation costs.