In the contraction process, the muscoid muscle fibers catch the actin filaments by forming a transverse bridge. The coarsely filaments pull in the fine filaments and shorten the subsection. In the muscle fibers, the signals that indicate contraction are synchronized across the entire fibre level, shortening all the myofibrils that make up the subsection of the muscle.
The above five kinds of enterprise management view, its generation and existence have its historical background and inevitability, all are related to certain conditions, phase ADAPTS. At present, foreign companies is to shift from manufacturing to the operational or business service, enterprise in order to survive and develop, must set up the marketing idea with modern consciousness, the social marketing concept. However, it must be pointed out that, due to the constraints of many factors, American enterprises nowadays are not all set up marketing concepts and social marketing concepts. In fact, many enterprises still focus on product concept and sales concept.
3D Design: It is a wide variety, but not commonly used. Of the three-dimensional designs, three-dimensional models are mainly computer animation, industrial or architectural design projects.