Mechanical design, according to the requirements of use, conceive, analyze and calculate the working principle, structure, movement mode, force, and energy transmission mode, material and shape size of each part, lubrication method, etc. and convert it into a specific description to The working process as the basis for manufacturing.

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Mechanical engineering is based on relevant natural sciences and technical sciences, combined with technical experience in production practice, to study and solve all theoretical and practical problems in the development, design, manufacturing, installation, use and repair of various machinery Subject.

Machinery is one of the five elements (people, capital, energy, materials, and machinery) for production and services in modern society, and it participates in the production of energy and materials.

Before the 15th to 16th centuries, the development of mechanical engineering was slow.

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