The easiest method of creating multiple objects is to have a standard name for each of the objects then add a number to each of them so they are unique.
创建多个对象最简单的方法是对每个对象使用标准名称，然后对每个名称加上一个数字，这样这些名称就都是唯一的了。
DOM defines a standard set of interfaces for representing documents, a standard model of how these objects can be combined, and a standard set of methods for accessing and manipulating them.
DOM定义了一组表示文档的标准接口、一个用于组合这些对象的标准模型和一组用于访问和操纵它们的标准方法。
The difference between these two scenarios may have implications for how these supernovae can be used as "standard candles" — objects of a known brightness — to track vast cosmic distances.
这两种图景之间的差异可能会与超新星被当成“标准烛光”(也就是亮度已知的天体)来测量遥远宇宙距离的方式有关。
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