Using conventional scientific research methods, 5 fitness assessment tests and 9 technical evaluation have been selected for female athletes from Cao Bang province's Taekwondo youth team. On that basis, the scorecards classification criteria physical were built subjects.

An important prerequisite for promoting sustainable development and value chain climbing of textile enterprises is to achieve a win-win situation between environmental protection export technical complexity. Thus, based on Chinese enterprises’ microdata, this paper investigates the impact cleaner production standards implementation complexity using double difference method. The results show tha...