在面向对象的数据库中，对象标识（）。 ["与数据的描述方式有关","与对象的物理存储位置有关","与数据的值有关","是指针一级的概念"]
“临界最小努力”理论
在Photoshop中，（）工具可以增加或降低图像的色彩饱和度。
人格
Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）. The network contains two servers named Server1 and Server2. Server1 is configured as a DHCP server and has a scope that contains addresses 192.168.2.51 to 192.168.2.125.You have a reservation for a print device named Printer1. The reservation assigns the IP address of 192.168.2.100.You install DHCP on Server2 and create a scope that contains addresses 192.168.2.126 to 192.168.2.200.You need to ensure that Printer1’s IP address always remains the same. What should you create on Server2？（） ["an exclusion range","a reservation","a superscope","a user cla"]
简述线性回归分析和灰色预测模型计算的主要步骤？
