Limitaions of profit standard in feasibility decision are analyzed and ample and necessary conditions for contribution margin standard and enterprise profit are put forward.
分析了利润标准在可行性决策中的局限性，提出了贡献毛益标准及企业盈利的充要条件。
2
To the technique of RTK in long engineering usage of the error margin that point correct carried on the analysis and studies, and put forward to let up the error margin to solve the method.
对rtk技术在狭长工程运用中的点校正的误差进行了分析和探讨，并提出了减小误差的解决方法。
3
On the basis of analyzing the effects of FAR on the land price and profit margin, the real interest behind them is elaborated, and some views are put forward about how to balance the interests.