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Of course, many other variables are involved in determining causal relations between diet and health.

当然，在确定减肥和健康之间的因果关系时，我们无法排除其他因素的作用。

Under suitable conditions, an almost sure central limit theorem is obtained for the product of the partial sums of stongly mixing positive random variables.

在适当的条件下，对强混合的正的随机变量给出了其部分和乘积的几乎处处中心极限定理。

In order to get a deeper understanding of law of large number and central limit theorem, random variables are simulated using Mathematica in this article.

概率论中的大数定律及中心极限定理正是两个描述随机现象统计规律性的重要结论。

By choosing to observe stars that are known as Cepheid Variables he could more accurately make measurements.

通过有选择地观察恒星被称为cepheid变数，他能更准确地进行测量。

This was accomplished by observing Cepheid variables at optical wavelengths out to greater distances than obtained previously and comparing those to similar measurements from ground-based telescopes.

这是通过观测比先前远得多的造父变星的可见光谱实现的，结果与地面望远镜观测结论类似。

Wendy freedman of the carnegie observatories in pasadena, california, and her colleagues used the space telescope to examine the spiral galaxy m100, in which they discovered cepheid variables.

加州帕萨迪那卡内基天文台的温迪弗里德曼和她的同事们使用空间望远镜来观察螺旋状星系m100，并在其中发现了造父变星。

Hubble observations of pulsating stars called Cepheid variables in a nearby cosmic mile marker, the galaxy NGC 4258, and in the host galaxies of recent supernovae, directly link these distance indicators.

哈勃望远镜观测了一个近距离的星系NGC 4258中一类被称为造父变星的脉动变星和当前的超新星，直接比对了这些距离指示器。

The current directory at execution time is also different (it is usually the server's cgi-bin directory) and the set of environment variables is also different from what you get when you log in.

当前的文件夹在执行时间时也是不同的（它通常地是服务器的 cgi-bin 文件夹）并且环境变量的设置与当你登录时获取的也是不同。

Two variables are said to be correlated if a changed in the value of one variable is accompanied by change in the value of anther variable.

有两个变量，如果一个变量值变化而导致另外一个变量值也变化，则称这两个变量相关。

In the dissertation, a new corrected method, straightened algorithm, is presented, with the help of the algorithm, not only the characteristic of sparsely strip matrix be can assured, but also the complicated extent of calculation be can greatly reduced because the variables that locate only in the strip matrix are optimized.

而本文提出了一种新的修正方法—拉直算法，该方法不仅能够保证修正后系统模型的矩阵仍然保持带状稀松的特点，而且由于只对在系统矩阵的带状部分进行优化，其计算的复杂程度也简化了许多。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。