A small, irregular galaxy, the SMC represents a type of galaxy more common in the early Universe.
作为一个小而不规则的星系，小麦哲伦星系呈现出早期宇宙星系的普遍类型。
2
The muffler is an irregular shaped tapered type mid-ship muffler.
消声器是一个不规则形状的圆锥型船舯消声器。
3
NGC 1427a is an example of a dwarf irregular galaxy, a type of galaxy that is significantly less bright than regular galaxies and characterised by a peculiar shape.
NGC 1427a是个典型的矮星系、不规则星系，它们的外形不规则，并且光度比规则星系(涡旋星系、椭圆星系)小。