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农产品是季节性收获的，但消费是在全年进行的，这就需要仓库的保管来支持市场营销活动。
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显示器市场发展很快，目前液晶显示器是主流产品。（）
So it is today．Schedule disaster functional misfits,and system bugs all arise because the left hand doesn’t know what the right hand is doing．As work （31）, the several teams slowly change the functions,size, and speeds of their own programs, and they explicitly or implicitly （32） their assumptions aboutme inputs available and the uses to be made of the outputs.For example, the implementer of a program-overlaying function may run into problems and reduce speed relying on statistics that show how （33） this function will arise in application programs．Mean-while back at the ranch, his neighbor may be designing a major part of the supervisor so that it criticallydepends upon the speed of this function．This change in speed itself becomes a major specificationchange, and it needs to be proclaimed abroad and weighed from a system point of view.How, then, shall teams （34） with one another In as many ways as possible.·Informally．Good telephone service and clear definition of intergroup dependencies will encourage the hundreds of calls upon which common interpretation of written documents depends.·Meetings．Regular project meetings, with one team after another giving technical briefings, are （35）.Hundreds of minor misunderstandings get smoked out this way.·Workbook．A formal project workbook must be started at the beginning. （32）处填（）。
假设学生Students和教师Tcachers关系模式如下所示：Students(学号，姓名，性别，类别，身份证号)Teachcrs(教师号，姓名，性别，身份证号)其中，学生关系中的类别分为“本科生”和“研究生”两类。a．查询在读研究生的教师的平均工资，最高与最低工资的差值的SQL语句如下：SEIECT （21）FROM Teachers．StudentsWHERE （22）b．查询既是女教师又是研究生且工资大于等于3500元的身份证号和姓名的soL语句如下：(SELECT身份证号，姓名FROM StudentsWHERE （23）)INTERSECT (SELECT身份证号，姓名FROM TeachersWHERE （24）) （24）处填（）。
计算机硬件在逻辑上主要有CPU、主存储器、辅存储器、输入/输出设备与总线或系统总线五类主要部件。（）
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