采用邮票法对转运电费用进行分摊，得出大用户直购电的单位供电成本；
The transmission-distribution cost is apportioned with stamp theory, which can get the unit power-supplying cost of direct power-purchase for large consumers.
意义：手工制作的法夫莱尔类包括蒂凡尼邮票与法夫莱尔第一项灯。
Meaning "handcrafted, the Favrile category includes the first lamps that Tiffany made with the Favrile stamp."
该邮票其后改为蒂凡尼的缩写，它是一种能够让收藏家确定蒂凡尼的法夫莱尔灯或其他玻璃项目的大约日期的方法。
The stamp was later replaced by Tiffany's initials, which is one way collectors are able to determine the approximate date that a Tiffany Favrile lamp or other glass item was made.
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