impurity concentration

• 杂质浓度

impurity concentration的用法和样例：

例句

1. This work is fundamental for improving the techniques of multi laser induced diffusions to achieve two-dimensional impurity concentration uniformity theoretically.
   这为改进激光诱导扩散工艺，用多次曝光实现面均匀的杂质浓度分布奠定了理论基础。