例句與造句

1. Polymer molecules were described as chains of statistical chain elements.
2. The thermal degradation occurs primarily by a statistical chain scission; depolymerization and removal of low molecular weight compounds are playing only a minor role.
3. Today the preferential element is called Kuhn length, in the recent textbook " Principles of Physical Chemistry " it is simply called statistical chain element.
4. It's difficult to find statistical chain in a sentence. 用statistical chain造句挺難的