He is said to be undersized.

他被认为是不够大。

The overall design of the tools were undersized for the parts.

摸具的所有的设计对于零件来说尺寸过小。

I hate these puny undersized planets. The gravity is so different.

我讨厌这些小不点的星球。重力是那么不一样。

While they are undersized, they are all relatively close to each other.

当工件比规格小时，他们的尺寸每一个都是相对地接近。

A new method for undersized part surface defect detection is proposed.

提出了一种用于空心圆柱端面缺陷快速检测的新方法。