所以我去了趟图书馆，查阅了，第六版的《高级熔融态盐化学》，因为那里面有一篇关于生产镁的，化学和电化学的文章。
So, I went to the library and I looked up Advances in Molten Salt chemistry volume six because there's an article in there about the chemistry and electrochemistry of magnesium production.
三价铬及六价铬是食品中微量元素铬的两种主要存在价态。
Trivalent chromium and hexavalent chromium are two main states of the chromium in foods.
六西格玛黑带应该熟悉常用的概率分布，包括超几何分布、二项式分布、泊松分布、下态分布、指数分布、卡方分布、学者t 分布和F 分布。
The Six Sigma Black Belt should be familiar with the commonly used probability, including: hypergeometric, binomial, Poisson, normal, exponential, chi-square, Student's t, and F.
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