ALV树是一种平衡的二叉排序树,树中任一结点的()
参考答案:左右子树树高之差的绝对值不大于1
When the return on equity equation (ROE) is decomposed using the original DuPont system, what three ratios comprise the components of ROE()
A. Gross profit margin, asset turnover, equity multiplier.
B. Net profit margin, asset turnover, asset multiplier.
C. Net profit margin, asset turnover, equity multiplier.
发现禁寄物品,要温和地说明相关法律、法规,婉言拒绝揽收,情节严重时(如发现毒品、武器弹药、反动书籍等),应及时向上级管理部门反映,设法通知公安部门。