Shaanxi province is briefly named Shaan or Qin, with xi 'an as its provincial seat.
陕西省,简称陕或秦,省会城市西安。
If anything, the two solutions are complementary: it might make sense to prepare an XML document with XI and pass it to a style sheet that will use XPath 2.0 to select specific bits of information.
如果有什么不同的话,那就是这两个解决方案是互补的:用XI准备XML文档然后将之传递给将使用XPath 2.0来选择特定信息位的样式表可能会不错。
If you have a sample with n observations, it's the summation I = 1 to n of xi/n--that's the average.
如果你有n个观测值,对Xi从i=1到n求和再除以n
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