标准化一开始需要对各方面,主要是对机械和电子工业产品进行限制,因而产生了对材料和产品检验标准的需要。今天,产品标准仍然像当初一样重要,检验标准也是如此。但是,在最近十年中,标准化的领域明显地扩大了。 Standardization at the outset needed to be limited in all respects, primarily to the mechanical and electrical industrial products, resulting in the need for test standards for materials and products. Today, the product standards are still as important as the original, as is the test standard. However, in the last decade, the area of ​​standardization has clearly expanded.