常规项目是指只在前期初始投资时出现现金流出，以后各期出现的都是现金流入，也就是说，进行投资以后，项目未来各年的现金流量合计应是正数。
简化右键菜单，常规项目移到选项窗口。
Simplifies the popup menu, moves the general items to option window.
介质损耗测量是电力系统中检测高压电气设备的常规项目。
Dielectric loss measuring is the normal item to test the high voltage equipment in electric power system.
这些游戏穿插在常规项目中间，为了让参赛者有机会从紧张的比赛中得到放松。
These games were held during normal RACES in order to give students a chance to relax from the exciting competitions.
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