程序设计过程就是把系统分析的结果翻译成可为计算机理解、可执行的代码的过程。
下列各项中，指标值越高，说明企业获利能力越强的是（）。 ["资产负债率","成本费用利润率","存货周转率","流动比率"]
You design a Business Intelligence （BI） solution by using SQL Server 2008. The solution includes a SQL Server 2008 Analysis Services （SSAS） database. The database contains a cube named Financials. The cube contains objects as shown in the exhibit. （Click the Exhibit button.） A calculated member named Gross Margin references both Sales Details and Product Costs. You need to ensure that the solution meets the following requirements： Managers must be able to view only their cost centers percentage of the companys gross margin. The impact on query performance is minimal. What should you do？（） [" Add dimension-level security and enable the Visual Totals option."," Add cell-level security that has read permissions on the Gross Margin measure."," Add cell-level security that has read contingent permissions on the Gross Margin measure."," Change the permissions on the Managers dimension level from Read to Read\/Write."]
强化的种类有哪些？
逻辑模型是指仅在逻辑上确定的新系统模型，而不涉及具体的物理实现。
酶的一些不足之处（酶固定化的原因）
