High number one focuses on derivative and definite integral high number two focuses on indefinite integral high number three focuses on series high number one and high number three are higher than high number two. For example, high number two does not need to master infinite series, spatial analysis, multivariate function differential, multiple integral, field theory, differential equation, quadratic form and all probability theory and mathematical statistics, while high number one does not need to master infinite series, spatial analysis, multivariate function differential, multiple integral, quadratic form and all mathematical statistics.

Unified enrollment of higher education

Unified undergraduate enrollment in colleges and universities refers to the national enrollment plan for full-time colleges and universities according to the national enrollment plan compiled by the Ministry of Education and the National Development and Reform Commission (NDRC) (the enrollment plan is controlled within 5% of the total number of graduates of full-time colleges and universities in all provinces). Colleges and universities in all provinces uniformly announce the number of students enrolled and the examinations organized by provincial administrative departments, select outstanding college graduates to participate in the unified examinations organized by the Provincial Education Examinations Institute in the next semester of the third grade before graduation (some provinces issue papers to undergraduate schools), and enter undergraduate colleges to continue regular undergraduate education according to their original majors or related majors.

Unified recruitment of college graduates (full name: selecting outstanding vocational college graduates to enter undergraduate study), the Ministry of Education collectively refers to ordinary college graduates, also known as 3+2 college graduates, full-time ordinary colleges and universities, and recent college graduates. In the official documents, it is expressed as an upgraded/transferred/inserted/connected edition. In some provinces, such as Hebei Province, it is called the special edition of ordinary colleges and universities (selected through undergraduate education examination), Jiangsu Province, it is called the special edition of ordinary colleges and universities (selecting outstanding junior college students to transfer to undergraduate study), Guangdong Province, it is called the special edition of ordinary colleges and universities (enrolling undergraduates in ordinary colleges and universities), and the rest provinces are called the special edition of ordinary colleges and universities.

The general college entrance examination belongs to the provincial unified enrollment standard selection examination, which is led by the Provincial Department of Education, managed by the Provincial Education Examinations Institute, and implemented by recruitment agencies in various districts and cities. The candidates for the examination are ordinary full-time (unified recruitment) graduates from higher vocational colleges (colleges). The essence is the connection between college education and undergraduate professional education, and the 3+2 model is implemented, that is, full-time study for general colleges is 3 years and full-time study for general undergraduates is 2 years.