The line exits power factor lower phenomenon that may increase virtualcurrent and decrease operation efficiency of equipment.
线路普遍存在的功率因数偏低现象，一方面会增加电网无功电流，另一方面会使电气设备运行效率降低。
2
When you use the WebSphere portal scripting interface, you set the currentvirtual portal context before logging in.
当您使用WebSphere portal脚本界面时，您在登录前设置了当前虚拟门户上下文。
3
WebSphere portal can compare this information with the currentvirtual portal context, and decide if a particular resource is to be visible or should be ignored.