Then, we just have to, well, the line integral is just the change in value of a potential.

那么我们只需要知道，线积分正是势函数值的变化。

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Time Series: This tracks change in value of a consistent metric over time (e. g., monthly sales).

时间系列：这个跟踪随时间变化，同一度量的值变化趋势(例，月度销售)。

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If the capital employed remains constant, changes in the ROCE automatically result in a change in value creation.

如果资本被使用的遗骸的常数，变化在ROCE上自动地导致一个变化在价值创作上。

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This is a contrast to mutual funds, where you have to wait for the end of the day to see the change in value.

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While the move was in the right direction, a 2.5% change in value over 6 months (roughly 18% by the end of 2008) was hardly noticeable in the day-to-day lives of traders.

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If shares change in value, that must reflect a change in investors' assessment of either the prospective dividend flow (for example, because of fears about the future level of profits) or the right discount rate (for example, because of a change in inflationary prospects or in long-term real interest rates), or both.

ECONOMIST: A survey of global equity markets