This paper makes a study of the curriculum arrangement of three - year chemistry and biology major of teachers colleges in line with the achial conditions of the teaching state in countryside middle schools of nine - year compulsory education.

Many efforts have been made to help the enterprises grow well,which include adopting a specialized production mode,bravely participating in competition,actively making innovations in production,paying attention to qualified personnel,and creating well known product brands.

It analyses the main problems of rapier looms in using at home, puts forwand some proposals to set up a product development center, bring about specialized production, raise the products quatity and productivity.

the author discusses how to improve the management work in the packing of a business, presents that the packing guality will be greatly improved and the economic effort of the business will be obtained when the specialized production is made in the packing work in the business.