"At present there are two main reasons for making this rule change: a change in the railway transport situation; a coal consumer mentality changed." Lu-hong, a senior expert said fluid pipe, multi-year investment in railways makes the rail capacity increases, economic growth Also part of the slowdown caused by the previous capacity of the surplus, making an adequate rail transportation capacity, unlike in previous years need to focus on coal in the summer and winter; the consumer side, in previous years because they are afraid not buy coal, but are not afraid of no coal this year, making today's Electric stock prices sufficient inventory to digest, when high prices, the lowest when the re-buying, coupled with large-scale entry of overseas coal, options increase.
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As we mentioned, this options is a way to increase the scalability of the Messaging Engine.
正如我们提到的，此选项是提高消息传递引擎可伸缩性的一个方法。
This step can save time determining which options will best increase capacity and improve performance.
此步骤可节约确定哪些选项将最好地提高容量和改进性能的时间。
This is because as you add response options, you increase the number of squared difference scores -- (Observed - Expected)2 -- you can sum over.
这是因为当增加回答选项时，就增加了方差值的数目 — (观察值 - 期望值) 2 — 您可以求它的总数。
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