消防过滤式自救呼吸器视野:防护头罩的双目视野不小于60%。
A. 正确
B. 错误
“service cannada”的传播顾问艾琳.惠伦把加拿大电子政务的经验总结为()
A. 加强联邦、省、市各级政府的纵向合作,联邦政府各部门间的横向合作,以及部门内部的网络建设,构建起了较为完整的三维立体的电子政务服务网络,以推动教育、就业、医疗和社会保险等领域的全面电子化
B. 服务的个性化和专业化石赢得公众认同的重要条件
C. 人员培训
D. 技术上必须强调简洁、高效和易操作
Your company has a main office and a branch office. The company has a single-domain Active Directory forest. The main office has two domain controllers named DC1 and DC2 that run Windows Server 2008 R2. The branch office has a Windows Server 2008 R2 read-only domain controller (RODC)named DC3. All domain controllers hold the DNS Server server role and are configured as Active Directory- integrated zones. The DNS zones only allow secure updates. You need to enable dynamic DNS updates on DC3. What should you do()
A. Run the Ntdsutil.exe DS Behavior commands on DC3.
B. Run the Dnscmd.exe /ZoneResetType command on DC3.
C. Reinstall Active Directory Domain Services on DC3 as a writable domain controller.
D. Create a custom application directory partition on DC1. Configure the partition to store Active Directory-integrated z
容积式流量计的泄漏量ε与运动部件前后压差具有一定关系,在小间隙高粘度情况下,这种关系可表示为() k1,k2——为常数;△P一一为运动前后压差;μ一一流体粘度;ρ一一流体密度
A. ε=k1(△P/μ)
B. ε=△P/μ
C. ε=k2(△P/ρ)1/2
D. ε=(△P/ρ)1/2