The sign reversal applies only to quantum numbers (properties) which are additive, such as charge, and not to mass, for example.

举例来说正负号只适用于附加量子数，例如电荷，而不是质量。

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Now, in a reversal, the absence of the pile is a different sign of pro GREss.

现在，反过来，没有这一堆成了展现出进步的另一个不同的标记。

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The key question is whether the recent rise in inflation in Asia is cyclical or the first sign of reversal in the structural disinflation trend.

关键问题在于，近期亚洲通胀率的上升是周期性的，还是结构性的低通胀局面发生逆转的初期迹象？

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Conclusion The cerebral ct "reversal sign" is a rare and characteristic feature of severe asphyxia in newborn.

结论“反转征”是新生儿围产期窒息后重度缺氧缺血性脑病的少见征象，CT具有特征性表现。

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For instance, if a stock has made a higher bottom each year for five years, then makes a lower bottom than the previous year, it is a sign of reversal and may mark a long down cycle.

如果一只股票的底部五年内连续抬高，而这时创出了比上一年更低的底部，这是一种转折的迹象，并可能标志着一个漫长下跌周期。

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For instance, if a stock has made a higher bottom each year for five years, then makes a lower bottom than the previous year, it is a sign of reversal and may mark a long down cycle.

如果一只股票的底部五年内连续抬高，而这时创出了比上一年更低的底部，这是一种转折的迹象，并可能标志着一个漫长下跌周期。

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