Need. The training content is divided into two parts: public courses and professional courses. Professional and technical personnel should participate in continuing education for no less than 80 hours each year, including no less than 24 hours for public courses and no less than 56 hours for professional courses. These are necessary and necessary. A province in the northwest of China, Shaanxi or Qin for short. Xi 'an, with an area of 200,000 square kilometers and a population of 28.9 million, is the provincial capital. The northern part is the Loess Plateau, the central part is the Guanzhong Plain, and the southern part is the Qinling Mountains and Daba Mountains. Forests, coal, molybdenum, mercury and asbestos are abundant.