例句與造句

1. The requirements of controls by main components of packaging machine were analyzed . the methods of the design of control system were put forward and the practical reference programs were provided
   摘要在簡單介紹包裝機械的基礎上，分析了包裝機械各主要組成部分對控制的要求，提出了解決包裝機械控制系統設計的方法及實用參考程序。
2. It's difficult to find reference program in a sentence. 用reference program造句挺難的