预应力混凝土梁上拱度过大,导致梁体跨中道碴厚度不足200mm时应及时处理。
参考答案:对
在企业战略实施模式中,十分重视运用组织结构、激励手段和控制系统来促进战略实施的模式是( )。
A.增长型 B.转化型C.合作型 D.指挥型
Even though current technologies make the ultimate segmented network impractical, new technologies and products hold the promise of making the concept a reality. Most important of all these new technologies are (71) . The ultimate switched LAN, which is technically possible, now, exhibits the following characteristics: 1. High-speed yet cost-effective switching devices can be implemented on a wide scale, providing dedicated connections for individual users and supporting the aggregate (72) of all networked users. 2. The ability to deploy switching capabilities incrementally into the (73) base. Switching implementations support switching of individual users or groups so that existing users of shared media modules can continue to use the existing equipment until they can justify moving to dedicate switched LAN connections. 3. Support and enhancement of existing routed environments. Switching (74) routint, but rather can be introduced into the network without making any changes to the existing routing equipment or configuration. (75) play a critical role in the integration of switching into existing networks.
A. switch-based LANs B. WANs C. user servicesD. LAN-BY-PHONE