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如题所示; 书籍中的5-15的代码中的transform.transform.translation.y的值是否存在错误; 书上y值赋值为0.0,但是5.2小结开头的camera_link相对于bottle_link的平移分量y为0.3; y值是不是应该是0.3,还是说有其他转换,希望能被解答下疑惑