background difference
短语词组
- family background difference difference 家庭差异
- target -background temperature difference 目标背景温差
- cultural background difference 文化背景差异
- knowledge background difference 知识背景差异
- Local background difference 局域背景差分
- the background difference method 背景差分法
- Economic Background Difference 经济背景差异 返回 background difference