Urban street is an important form of urban space. It the economic lifeline city, as well most public space that people use in daily life. City streets bears not only flourished style this region, but also embodies unique and taste a city. Since China's reform opening, development has maintaining rapid growth momentum. The base determines superstructure,so scale city population facing expansion....

Attention-Deficit/Hyperactivity Disorder A ttention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental (related to brain function) condition that is usually diagnosed in childhood. It can last into adulthood. Symptoms include difficulty staying focused or paying attention, excess motor activity (eg, fidgeting), and difficulty controlling impulsive behavior. Although most children hav...