外显记忆
严禁乘务人员占座、卖座，不准在列车乘务室、办公席、广播室、工具间等场所安排旅客乘坐。
一般毒性试验对受试生物的选择需要哪些条件？
Which two statements about VACLs on Cisco Nexus 7000 Series Switches are true？ （） A single VACL can be shared across two or more VDCs.。 Use of VACLs requires no special license to be installed.。 VACLs make use of IP or MAC ACLs.。 Only options drop and forward are permitted.。
简述校长专业化的内涵。
What are the header sizes for point-to-point and multi-point GRE（also known asmGRE） with tunnel key？（）
