With the rapid development of China’s economy and information industry,the new generation has more opportunities to contact electric equipments.Through the inv
A survey carried out among 286 left-behind children in a middle school through the lens of L2 Motivational Self System presents that although left-behind childr
Family education refers to the influence of parents on children's growth and development in the process of family interaction,and it is an important part of
Surface structure of condenser for heat column plays a vital role on its heat transfer performance; micro groove surface roughness is beneficial to the enhancem