医疗器械的产品名称应当使用(),通用名称应当符合国家食品药品监督管理总局制定的医疗器械命名规则。第二类、第三类医疗器械的产品名称应当与()的产品名称一致。
You work as an ASP.NET Web Application Developer for SomeCompany. The company uses Visual Studio .NET 2010 as its application development platform. You create an ASP.NET Web application using .NET Framework 4.0. The Web application connects to a SQL Server database. You use the ADO.NET Entity Framework to handle persistence-ignorant entities. You create an ObjectContext object named ObjContext. Subsequently, you change properties on numerous entities. You are required to save the changed entity values in the SQL Server database. Which of the following code segments will you use?() ["ObjContext.SaveChanges(SaveOptions.DetectChangesBeforeSave);","ObjContext.SaveChanges(SaveOptions.AcceptAllChangesAfterSave);","ObjContext.SaveChanges(SaveOptions.All);","ObjContext.SaveChanges(SaveOptions.None);"]
工艺专业化的优缺点?
永明文学的时间断限
简述流水线生产的基本特征。
工艺过程设计的程序。