Don't you learn sequence and plane vector in the new curriculum standard of secondary vocational school?
Yes The New Textbook of National Planning for Curriculum Reform of Secondary Vocational Education: Mathematics (Basic Module) (Volume II) (Revised Edition) is a new textbook of National Planning for Curriculum Reform of Secondary Vocational Education, which was compiled according to the Mathematics Syllabus for Secondary Vocational Schools (referred to as Syllabus) promulgated by the Ministry of Education in 2009 and approved by the National Committee for Textbook Examination and Approval of Secondary Vocational Education. Textbooks adhere to the orientation of "syllabus" to "course teaching objectives", and the selection of content strictly follows the provisions of "syllabus" on cognitive requirements and skills and abilities.