Also notice how the ID of this diagram indicates that this is alternate course B.
另外还请注意该图的标识是如何表示这是一个备选过程B。
In addition to course development activities, an ID also performs two other types of activities: those related to project management and those related to course maintenance.
除了课程开发活动,一名指导设计师还应该进行其他两种活动:与项目管理相关的活动,和与课程维护相关的活动。
Of course, having a single authentication user ID in the database is not enough.
当然,在数据库中只有一个用户ID是不够的。
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