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1)parameter variety,²ÎÊý´Ø

2)one parameter family,µ¥²ÎÊý´Ø

3)two parameter family,Ë«²ÎÊý´Ø

4)curves parameter,ÇúÏߴزÎÊý

5)One-parameter family of algebraic varieties,µ¥²ÎÊý×å´úÊý´Ø

6)A family of three parameter conjugate gradient medhod,Èý²ÎÊý¹²éîÌݶȷ¨´Ø

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In the article,a one parameter and a two parameter family of generalized mean values were defined,their basic properties and monotonicities were investigated,the function ª§q(t;x,y)=¡Ò y xf(u)u t-1 ª§d u, where f(u) is a nonnegative and continuous function,was researched.

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Obtaining the range of curves parameter in the equation of electric field lines induced by lined-up charges;

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