作为评价教育科学研究成果的规定包括哪几个方面？
下列选项中说法正确的是（） ["流线是同一流体质点走过的轨迹（流线是某瞬时，空间曲线的切线和该点的微团速度指向一致的线）","迹线是对横向的间隔空间点按等时间间隔进行染色形成的染色线（迹线是同一流体质点走过的轨迹）","染色线是对同一空间点连续染色后形成的染色线","流动会穿越过流面（流面是流动不会穿越的一个面）"]
下列各项不产生现金流量的有（）。 ["本期核销的坏账","存货盘亏","以固定资产抵债","分配分配股票股利","收回以前年度巳核销的坏账"]
简单论述东亚夏季风内部准双周振荡的时间序列关系。
Certkiller .com has a software evaluation lab. There is a server in the evaluation lab named as CKT. CKT runs Windows Server 2008 and Microsoft Virtual Server 2005 R2. CKT has 200 virtual servers running on an isolated virtual segment to evaluate software. To connect to the internet， it uses physical network interface card. Certkiller .com requires every server in the company to access Internet. Certkiller .com security policy dictates that the IP address space used by software evaluation lab must not be used by other networks. Similarly， it states the IP address space used by other networks should not be used by the evaluation lab network. As an administrator you find you that the applications tested in the software evaluation lab need to access normal network to connect to the vendors update servers on the internet. You need to configure all virtual servers on the CKT server to access the internet. You also need to comply with company’s security policy. Which two actions should you perform to achieve this task（） ["Trigger the Virtual DHCP server for the external virtual network and run ipconfig\/renew command on each virtual server","On CKT’s physical network interface， activate the Internet Connection Sharing （ICS）","Use Certkiller .com intranet IP addresses on all virtual servers on CKT.","Add and install a Microsoft Loopback Adapter network interface on CKT. Use a new network interface and create a new virtual network.","None of the above"]
吊装重物时，要注意哪些方面？
