They never mention that whether these are Cotton Melanges or Polyester Melanges!

他们不提是这些是棉混色纱线或涤沦混色纱线。

The relevant terminology, block and matrix characteristics, genetic mechanism, palaeogeography and tectonics are discussed in this paper together with their distinction from melanges.

笔者讨论了其术语、岩块、基质特征、形成机制和古地理古构造条件，并列表分析了它与混杂堆积的区别。