下列哪些情况下，公安机关可以先行拘留？（） ["在搜查犯罪嫌疑人卧室时发现作案工具","某犯罪嫌疑人有自杀的倾向","某犯罪嫌疑人在接受盘问时，虚构姓名、地址","某甲正在为杀害某乙而准备炸药"]
将软件进行模块化分可以减小问题解决的复杂度，但是不应该不受限制地将模块细化。
某上升流区摄食浮游动物的鱼类年产量为20t（湿重）/km2，该海域初级生产力为200gC/（m2*a），设鱼的湿重与含碳量之比为10：1，则该生态系统的平均生态效率是多少？
什么叫森林火险天气等级？
Your network consists of a single Active Directory domain. Your main office has an Internet connection. Your company plans to open a branch office. The branch office will connect to the main office by using a WAN link. The WAN link will have limited bandwidth. The branch office will not have access to the Internet. The branch office will contain 30 Windows Server 2008 R2 servers. You need to plan the deployment of the servers in the branch office. The deployment must meet the following requirements： èInstallations must be automated. èComputers must be automatically activated. èNetwork traffic between the offices must be minimized. What should you include in your plan？（） ["In the branch office，implement Key Management Service（KMS），a DHCP server，andWindowsDeployment Services （WDS）.","Use Multiple Activation Key （MAK） Independent Activation on the servers. In the main office，implement a DHCP server and Windows Deployment Services（WDS）.","In the main office，implement Windows Deployment Services（WDS）. In the branch office，implement a The safer ，easier way to help you pass any IT exams.DHCP server and implement the Key Management Service（KMS）.","Use Multiple Activation Key（MAK） Independent Activation on the servers. In the main office，implement a DHCP server. In the branch office implement Windows Deployment Services（WDS）."]
对电力系统运行的基本要求是什么？
