In international adoption, a buffer of distance, language, culture, and class exists between the adoptive parents and the birth parents, and, to be honest, that was one of the things I liked about it.

而在跨国收养中，收养父母和生身父母之间存在着距离、语言、文化和社会阶层等等的巨大差异，老实说，这也正是我所希望的。

youdao

Eigenpalms based feature extraction is designed according to the rule of in-class distance and between-class distance.

基于特征手的掌纹特征提取算法是根据类内类间距离准则而设计的特征提取算法。

youdao

The similarity images can be retrieved and the difference between inter-class and inner-class distance is about 8. The inner-class distance is much smaller than the inter-class distance.

并可检索到具有一定相似性的图像，且类间与类内分形码距离约相差8，类内距离远小于类间距离。

youdao