Product testing

Product testing, also called consumer testing or comparative testing, is a process of measuring the properties or performance of products.

The theory is that since the advent of mass production manufacturers produce branded products which they assert and advertise to be identical within some technical standard.

单词	Product testing
释义	Product testing 英语百科 Product testing Product testing, also called consumer testing or comparative testing, is a process of measuring the properties or performance of products. The theory is that since the advent of mass production manufacturers produce branded products which they assert and advertise to be identical within some technical standard.
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