有益的活动
3.Lose not time; be always employed in something useful; cut off all unnecessary action.
4.It was banned by the Scottish parliament in 1457 as it was seen as a distraction from more useful activities, such as archery.
5.Jeff: Me too. Swimming is a very good exercise for health. It combines water bath, sunbathe, and air bath together. It promotes the growth and haleness of muscles, bone, viscera and nerve systems.
6.And should make the child much enter healthy and beneficial culture activity, dispersive their attention to the gender, want to undertake to the child adolescent sex is taught at the same time, make the child eliminates the secret touch to the gender, to a few bad behavior from morality and mentally act produces be disgusted with evil, boycott bad behavior self-consciously.
7.Finally, we concluded the condition to realize the synergy between the sports and city marketing by analyzing the experience of Barcelona to enlighten the city marketing of our country.
8."Getting out and blowing the rust and the carbon out of the pipes is healthy, and the people who do it are young in spirit.
9.Product design is a complicated thinking activity of creation of human.Based on analyzing product design and its process,using a theory and method of aggregating and mapping,models of product design,process of product design ,process of conceptual design of product were constructed,a frame of network arithmetic of a process of conceptual design of product was presented,its flow of decomposition and integration was particularly defined，a good base for modeling and ruling of process of product design was founded.At one time,a useful exploration of development of a computer support implement for process of product design at all life cycle was made.
10.Abstract: Product design is a complicated thinking activity of creation of human.Based on analyzing product design and its process,using a theory and method of aggregating and mapping,models of product design,process of product design ,process of conceptual design of product were constructed,a frame of network arithmetic of a process of conceptual design of product was presented,its flow of decomposition and integration was particularly defined，a good base for modeling and ruling of process of product design was founded.At one time,a useful exploration of development of a computer support implement for process of product design at all life cycle was made.
