经济体制转轨时期中国政府经济职能转变的难点是什么？
You are the network administrator for All network servers run Windows Server 2003. A member server named TK1 hosts several hundred folders, which are located on multiple volumes on the server. A backup job on TK1 is configured to run a normal backup of the folders every Saturday at 1:00 A.M. On Wednesday morning, you discover that you need to install a new application on TK1 before the close of business that day. You need to back up all folders on TK1 as quickly as possible so you can install the new application. What should you do?（） Create a new backup job that specifies the folders and runs once only.。 Run the existing backup job.。 Enable Volume Shadow Copy for the volumes that contain the folders.。 Create an Automated System Recovery (ASR) set.。
以下哪些证件种类属于边防检查站职权签发范围（） 船员登陆证。 海员证。 台湾居民登陆证。 台湾船员登陆证。
对检测器具应进行（）检定、校验，以防止检测器具的自身误差而造成工程质量不合格。 必要。 不定期。 周期。 年度。
不考虑资金的时间价值，收回初期投资所需要的时间称为（）。 财务评价指标和国民经济评价指标。 静态评价指标和动态评价指标。 国民经济评价指标和静态评价指标。 国民经济评价指标和动态评价指标。
计算成本一方面是为了根据成本计算利润，另一方面是为了（）。
