序列密码的安全核心问题是（）。
The pop-up blocker is enabled on your computer. A Web site that you visit regularly uses pop-ups. You need to view the pop-ups from this Web site while maintaining the highest level of security for all other Web sites. What are two possible ways to achieve this goal?（） ["A","B","C","D","E"]
试样试验
当节气门全开时在发动机输出轴上得到的净功率称为（）。 ["有效功率","指示功率","机械功率","最大功率"]
What is the purpose of IP Event Dampening?（） [" to configure a subinterface so that it can be applied to the primary interface in order to prevent exponential selective dampening"," to suppress the effects of excessive interface flapping events on routing protocols and routing tables in the network"," to introduce a nonconfigurable exponential delay mechanism"," to allow the network operator to configure a router to automatically dampen and selectively identify a local interface that is failing"]
柏氏矢量的守恒性
