写论文摘要时以一般现在时为主。介绍背景知识时，要用一般现在时，例如：Speech recognition is the task of converting speech into 叙述研究现状时，也可以用一般现在时，例如：This essay is to analyse how the era influences corporate cultures， and to give suggestions on the building of corporate 叙述研究结果时，大多数用一般过去时，例如：Our text achieved the possibility
Iron and steel industry as a raw material-based industries， in developing the national economy plays a decisive In recent years， although China's iron and steel industry has made remarkable development， however， iron and steel manufacturing technology and equipment level is not high， especially for iron and steel industry has a symbolic significance and high value-added core equipment: complete sets of equipment， such as rolling， continuous casting and rolling Complete sets of equipment， large-diameter seamless pipe， more than 100 tons of ultra-high-power electric equipment such as still and the introduction of technology-Domestic steel structures and equipment manufacturers to lower the quality of primary products， the lack of core technologies so that China's iron and steel manufacturing equipment and equipment steel manufacturers throughout the value chain in processing and assembly are still in place， only lower profits Iron and steel are powerful high-tech and high value-added technology-based manufacturing technology and equipment， the use of the stage of industrialization in developing countries， access to a large number of How to make iron and steel enterprises in China and equipment， iron and steel manufacturers to effectively enhance the adoption of manufacturing equipment to improve product mix and improve product quality， in full digestion and absorption of foreign advanced technology on the basis of the set for China's iron and steel manufacturing equipment， the development of innovative ideas on the Elimination of The introduction of technical and psychological dependence on the path to rely on innovation， training in core technology on the basis of competitiveness， step by step in the research and development， manufacturing， management， sales and other important aspects of China's iron and steel equipment to improve the competitiveness of the manufacturing sector，China's iron and steel to build their own brand of equipment， to develop manufacturing equipment for iron and steel development policy system， a clear understanding of the macroeconomic situation and structural adjustment efforts， concerned about the application of the green， fully implement the scientific concept of development so that a resource-conserving and environment-friendly steel equipment as soon as possible Industrialization and at the same time promote the iron and steel manufacturing equipment and related industries， the completion of China's "big iron" to the "steel strong" by leaps and Based on research and innovation， the competitiveness of core technology， industrialization， the industrial chain， industrial clusters， and so on the basis of the theory， an analysis of China's iron and steel equipment for the industrialization of the main objectives and core technology， based on this summary of the iron and steel equipment manufacturing industry And the evolution path of industrialization of the main factors on how to seize the equipment， iron and steel to create positive opportunities for development， and how reasonable the technical innovation in the iron and steel enterprises concerned about the dynamics of R & D，Planning， business operation and management of a reasonable way to form their own intellectual property rights of scientific research， to build our brand equipment， iron and steel， iron and steel equipment for the development of manufacturing system development policy， and iron and steel equipment manufacturing industry of the general pattern， combined with case studies for China's iron and steel Equipment manufacturing industry， to enhance the international competitiveness of the feasibility of the
gee， if you cannot write this essay yourself， why in the world do you deserved to be a master degree holder? You are so lazy and Why don't you go back home and work in the
