1、
2、
It also generates getters for the attributes defined& in this case, uom and amount.
它还为定义的属性（在这里就是uom和amount）生成getter方法。
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3、
Use 1. 0 for a UoM that cannot be further split, such as a piece.
如果计量单位不能再进一步分割（比如“件”）的话请填写1.
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