指导模式
A System x administrator is considering new storage subsystems. Which is a benefit of SAS over Solid State of the following？（） ["Higher transfer speeds","Increased power consumption with Solid State","Increased bandwidth","Cost per MB"]
风机的变桨系统分为液压变桨和电控变桨。那么在电控变桨的风机中，风机安全链断开时，以下哪个现象是不应该出现的（） ["3个桨叶均在91°位置","风机制动等级为200或210","主轴刹车处于释放状态","塔基182K2继电器失电"]
Files /tmp/file2 and /tmp/file3 are hard linked to /tmp/file1. What will the result be if a user makes changes to /tmp/file2 at the same time another user tries to delete /tmp/file1？（） ["All three files will contain the updates and will remain available.","All three files will be deleted and no changes will be made to \/tmp\/file2.","Only \/tmp\/file2 will contain the updates， but \/tmp\/file3 will remain available.","Both \/tmp\/file2 and \/tmp\/file3 will contain the updates and will remain available."]
构成折现率的因素包括（）。 ["超额收益率","无风险报酬率","风险报酬率","通货膨胀率","平均收益率"]
专门性语言教育有什么特点？
