污染物总量超标排放，应遵循（）原则。
You install the Web Server （IIS） role on a server that runs Windows Server 2008. You configure a Web site named contoso.com and a Web application named Acctg on the Web server. The Web server runs out of disk space. You move Acctg to another drive on the Web server. The following table shows the current application configuration. Users report that they cannot access Acctg. You need to enable users to access Acctg. Which command should you run on the server？（） appcmd add app /site.name： contoso /path：/Acctg /physicalPath：d：\Acctg。 appcmd add app /site.name： contoso /path：/Acctg /physicalPath：f：\Acctg。 appcmd set app /site.name： contoso /path：/Acctg /physicalPath：d：\Acctg。 appcmd set app /site.name： contoso /path：/Acctg /physicalPath：f：\Acctg。
某机电安装公司承担了某化工装置安装工程，组建了施工项目部。2010年7月22日11时左右，施工作业队某焊工在离地面约10m高的钢结构顶部进行钢结构焊接工作。在操作过程中，该焊：【在往侧向移动时脚踏在了一个探头跳板上，探头板侧翻，焊工不慎从操作平台上跌落，坠落过程中安全帽脱落，焊工头部着地。送医院抢救途中死亡。】
经事故调查，焊工当时在钢结构顶部搭设的操作平台上进行焊接作业，操作平台为钢模板构成，铺设在用钢管搭设的简易脚手架横杆上，模板没有绑扎固定，没有防护栏杆。操作平台距离地面高度约10m，系由钢结构安装工人自行搭设，搭设后没有进行检查验收。焊工在钢结构顶部作业时未系好安全带，也未系好佩戴的安全帽下颚带。
7月23日下午，施工项目部安全部门负责人向机电安装公司上报了事故，机电公司负责人接到报告后，认为已是周末，于是等到7月26日（周一）上午报告了当地人民政府安全生产监督管理部门。本次事故属于什么生产安全事故等级？说明依据。
You want to connect your Windows 2000 Professional computer to a new color laser printer. The printer is plug and play compliant. The printer is included on the current hardware compatibility list (HCL). You are a member of the Sales organizational unit. You want to share the printer with other users in the Sales organizational unit. You plug the printer into the LPT port on the back of the computer. You then attempt to install the 32- bit application printer software that came with the printer. During the installation you receive an error message as shown in the exhibit. What should you do before you share the printer to other users in the Sales OU?（） Change the LPT port settings to enable legacy plug and play detection on your computer.。 Change the LPT port setting to bidirectional in the BIOS on your computer. Then reinstall the printer software. 。 Connect the printer to another computer in the Sales Organizational Unit. Then install the device drivers for the printer. 。 Obtain and install WDM-compliant device driver and printing software for the printer.。
电弧静特性
能够断开路径并将对象转换为曲线的工具是（）
