1、2007 M 26 1 1 S / Mechan ical Science and TechnologyJanuaryVo.l 262007No. 1l : 2005- 11- 24T e : Z + ( 1966- ), 3 ( ), 90bH , H V “ , - A_ - g J , O / L 0 by N 1 O / L 0 , 1 e bA , v ,8 9 v , ) “ H , K v U# 2 = 2mg h2 + l21J 1 + sin(A+ K) ( 8)(/ 71: )67 1 : T / e “ q m 4 U , V n , e r T Y v ,Y V s V
2、 “ : v , r , L ,5 T b , L e H , V K v , L e H ,A bm 4 e r T 1 5 , ,w “d 9 q a l q “ q V r T , V ? . U T # b _ A U : “ q K v e ! 9 Z E , ? r e “ ? ; V “ + e r T a ; e r T Y v , L e H , A | B b I D 1 Snowdon J C. V ibration of simple supported rectangular and squareplates towhich lumpedmasses and dyna
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