homothetic paths

例句：

1. 1. The two structures are homothetic in shape.
   这两个结构在形状上是同形的。
2. 2. The scientists found that the data were homothetic.
   科学家们发现数据是同形的。
3. 3.The two languages are homothetic in their phonetics.
   这两种语言在语音上是同形的。