从企业的角度出发，以下属于BT模式优点的是（）。 ["A.风险可控，投资收益可观 ","B.有机的融合了生产经营与资本经营 ","C.A与B ","D.以上都不是"]
转塔头加工中心的主轴数一般为（）个。 ["10—19","6—12","20","15"]
Refer to the exhibit. You want to minimize the downtime that results from supervisor engine switchovers on Cisco 6500 Series Switches and Cisco 7600 Series Routers. To achieve this, you are considering deploying a Cisco Nonstop Forwarding with Stateful Switchover solution using OSPF. In the exhibit you can see the output of the show ip ospf neighbor detail command. Which trait of systems using Cisco Nonstop Forwarding with Stateful Switchover and OSPF is shown in the exhibit output and will impact your plan?（） [" Stateful Switchover for Cisco Nonstop Forwarding only works with BGP."," Stateful Switchover for Cisco Nonstop Forwarding must be configured on all adjacent routers."," Cisco Nonstop Forwarding with Stateful Switchover helper mode is not supported on the adjacent router."," Cisco Nonstop Forwarding with Stateful Switchover helper mode for OSPF has been promiscuousstandardized and is supported on the adjacent router."]
计算机能直接识别和处理的语言是（） ["高级语言","汇编语言","机器语言","自然语言"]
一出齿
依恋是婴儿最早的社会关系，依恋有几种类型？其表现如何？
