Water is considered fresh when its low conductivity makes the interpretation of resistivity logs difficult.

当地层水电阻率低而使电阻率测井解释困难时，便认为是淡水。

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As early as the beginning of June, when the euro reached its low point, some market watchers believed that China had already begun buying the euro, enabling the currency to stabilize.

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However, Cape Verde may find its extraordinary fortune running low on Saturday, when it faces its next challenge: World Cup veterans and three-time African champion Ghana.

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And the stock market has surged up 12% just since its August low when talk of another round of quantitative easing began.

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