n factor造句

• Abstract : quality of the external purchase equipment is the mai n factor that influence the quality of initiating explosive device
  文摘:火工品用外购器材的质量问题是影响产品质量的重要因素。
• Then , according to the requirement analysis , concept design , logic design and database design , the electronic instrument failure rate database was designed and the components failure rates and n factors in gjb / z299b - 98 were established in the database
  其次，按照开发关系型数据库所要求的需求分析、概念设计、逻辑设计和物理设计四个阶段，设计了电子设备失效率数据库并做了数据录库工作。