variation of product costs 产品成本差异
Variation of product design 产品设计变奏曲
variation of a product price 产品价格变动
If you model a family of products or a product line, you can use variation points to differentiate products within the model.
如果您对一系列的产品或者产品线建模的话，您就可以对模型中不同的产品使用变量点了。
Overall the absolute level of product regulation fell between 1998 and 2008, and the variation between countries lessened.
总体来说，1998年至2008年，世界生产监管的绝对水平有所下降，同时，国家之间的差异有所减少。
Product dimensional variation is one of most important factors that affect directly product quality, productivity and response time to market.
产品尺寸偏差是直接影响产品质量、生产率和市场响应时间等的最重要因素之一。
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