下面关于理想流体的说法错误的是：（） ["伯努利公式的具体含义（忽略势能）是理想流体的流体动能和流体压能之和守恒（错误，不可压定常流）；","如果运动是无旋的，则伯努利常数全场通用；如果为有旋流，则一条流线对应一个伯努利常数。","积分形式的动量方程是通过研究控制体外的流动属性来判断控制体中的作用力。","质量方程又叫连续方程，对于理想流体和粘性流体都是成立的。"]
You had installed an Active Directory Federation Services （AD FS） role on a Windows server 2008 in your organization. Now you need to test the connectivity of clients in the network to ensure that they can successfully reach the new Federation server and Federation server is operational. What should you do（） ["Go to Services tab， and check if Active Directory Federation Services is running","In the event viewer， Applications， Event ID column look for event ID 674.","Open a browser window， and then type the Federation Service URL for the new federation server. ","None of the above"]
简单说明液压传动系统的组成。
酶分析包括两种类型
Refer to the exhibit. Which two problems are the most likely cause of the exhibited output？（） ["VRRP misconfiguration","spanning tree issues","transport layer issues","physical layer issues","HSRP misconfiguratio"]
试述水电厂用油的分类及作用
