为什么锡的元素符号是 Sn 呢？ - 知乎 锡的英语名为｢tin｣，拉丁名为｢stannum｣—— ｢stannum｣不是英语名。 元素符号通常都缩写自元素的拉丁名，锡的｢Sn｣就是如此。
What is the difference between a UBI and an EIN - free tax id A federal EIN stands for federal employer tax ID number nbs p; A Unified Business Identifier (UBI) is unique to businesses in Washington state UBIs are can be obtai ned here when you order any tax id such as a sales tax id or a state employer id or file a dba and a business licene and UBIs are only used in Washington EIN is issued by the IRS used for Federal tax purposes such as employment