题目内容

Among the following ratios, which is used for solvency analysis?

A. inventory turnover
B. times interest earned
C. price-earnings ratio
D. return on total assets

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更多问题

Among the following ratios, which is used for profitability analysis?

A. acid-test ratio
B. current ratio
C. working capital
D. return on net assets

Among the following ratios, which is used for efficiency analysis?

A. quick ratio
B. accounts receivable turnover
C. debt-to-equity ratio
D. net profit ratio

要产生稳定的干涉条件,相干光必须要满足的条件是

A. 频率相同
B. 振动方向相同
C. 振动方向垂直
D. 相位差恒定

以下说法错误的是

A. 通过透镜的各光线具有等光程性
B. 透镜可以改变光的传播方向
C. 透镜引起附加光程差
D. 薄膜干涉中相干光的获得是分振幅方法。