The variation of function group and element on it was analyzed in the pre-treated and plated process by FTIR and X-ray photoelectron spectroscopy(XPS) analysis technology.
利用傅立叶红外光谱（FTIR）和X射线光电子能谱（XPS）技术，分析桦木单板化学镀前预处理后，桦木表面官能团的变化和化学镀后元素的变化。
The second function computeZValue in Listing 6 is just a variation of the first function.
清单 6 中的第二个函数 computeZValue 是第一个函数的变种。
The main function of the safety stock is securing against the demand variation during the replenishment lead time.
的安全库存的主要职能是对安全的需求变化，在补充的准备时间。
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