environmental challenge
2.The human body, a partial electromagnetic compatibility system, was facing the harassment challenge of environmental electromagnetic waves.
3.This paper briefly introduced the main symbolization of knowledge economy and the challenge that the conventional industries were be,clearly raised the main symbolization of modern textile and the specific measures on developping the modern textile,i.e,improving the electromechanical integral level of textile equipments with the help of computer techniques,bring out the informationize on textile design,production,management and sales with the help of electronic information techniques,developping new textile raw materials and environmental protection textiles with the help of new materials techniques,reformating the textile processing,strengthening the environmental protection and realizing the continued development with the help of modern biological sciences.
