The log() function returns the natural logarithm (base E) of a number.

函数的作用是：返回一个数值的自然对数。

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Natural gamma ray spectral log is a new type of well logging method.

自然伽马能谱测井是一种新的测井方法。

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This article mainly deals with the resolution enhancement technique and its application in radioactive logs, such as natural gamma log, compensated neutron log and compensated density log.

着重探讨了放射性测井曲线中自然伽马测井曲线、补偿中子测井曲线和补偿密度测井曲线的高分辨率处理方法及其应用效果。

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The integral of one over a quantity is the natural log.

这种形式的积分结果,是自然对数。

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If you go and work that out, log2 log of two and you have two log two, by math you can show that for the line r series m 2*log2 is equal to two natural log of two, which is 1 1.386 which is greater than one.

如果你把它计算出来，这二者的对数，你会得到2个，通过数学，你会得到第r列，第m个值,等于,也就是1。386，这大于。

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People log on to Twitter to track everything from global conflicts to sporting events and natural disasters.

WSJ: New Financing Values Twitter As High As $7 Billion