A persistent lack of progress or a stagnant sequence of results is a sign that a project needs a serious reconsideration of resources, scope, or project worthiness.

持续没有进展或者停滞的结果序列是项目需要认真重新考虑资源、范围或者项目价值的标志。

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For example, in projects 1 and 2, the sign of the cash flow sequence is - + + + + +.

例如在项目1和2中现金流的符号序列是- + + + + +。

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If a project's sequence of cash flows contains exactly one change in sign, the project is guaranteed to have a unique IRR.

如果一个项目的现金流仅包含一次符号变化该项目肯定有唯一的IRR。

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Another sign of how fast things are moving is the excitement being generated by Oxford Nanopore, a company that seeks to sequence DNA strands by pushing them through tiny holes.

FORBES: Can A DNA Sequencer Get FDA Approval?