勘探开发投资比例
exploration investment proportion
投资比例范围
investment proportion range
注册资本投资比例
proportion of registered capital to total investment
最低投资比例约束
minimum investment proportion constraint
最优投资比例系数
optimal investment coefficient of proportionality
optimal investment proportional coefficient
资本要素投入的最优比例
optimal ratio of capital input
半按比例投票制
semi-proportional voting system
利润投资比
PI ratio
profit investment ratio
profit to investment ratio
投资资金回报率
Return On Investment Capital (ROIC
ROIC
已投资资本回报
Return on capital employed
Roce