• 2022-06-27
     设一薄板由 [tex=9.0x1.214]/bMzoNPkMGqIXVfV4w5BWnMXSbIeGPfB5doBLbjeBS0=[/tex] 所围成,其面密度  [tex=5.071x1.357]um9ozPChYvH0BVeYQ9yxlQ==[/tex] 求薄板对两个坐标轴的转动惯量[tex=2.357x1.286]yzPaegJlggOTd75ziX2OCg==[/tex]