产品知识，用于检验员工对产品的认识度，中英文以及一些简写-Product knowledge, used to test the degree of employee awareness of the product, abbreviated in English as well as some

The purpose of educational leave is to provide classified staff within one year of completing their degree, with the opportunity for continued professional growth and new or renewed intellectual achievement. This may be accomplished through stu

the concept of data mining was summarized, and its significance that contributes to commerce was illustrated as well. Based on the characteristic, an important genetic algorithm which is widely used in data mining technology was proposed, who