proem
名词 product:
commodities offered for sale
同义词:merchandise, ware, product
an artifact that has been created by someone or some process
同义词:product, production
a consequence of someone's efforts or of a particular set of circumstances
同义词:product
a chemical substance formed as a result of a chemical reaction
同义词:product
a quantity obtained by multiplication
同义词:product, mathematical product
the set of elements common to two or more sets
同义词:intersection, product, cartesian product