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你好，在第9章第2节，给差速轮配置惯性参数，按照给出的实心圆柱体惯性张量计算公式，以及示例中的质量，长度，半径参数，我无法计算得到示例中一样的结果，比如 ixx，我将参数带入计算，结果是：ixx = 0.2*(30.10.1+0.12*0.12)/12=0.00074. 总是算不对。能麻烦告诉下计算过程吗？
@849282206 fishbot中的数值可能有问题，按你算出来的为准
