net rent造句

• Double net rent
  双倍净额租金
• In chapter 3 , we give out lotka - volterra prey - predator model with density constraint and get the optimal harvesting policy that takes the maximum net rent as management purpose , when harvesting ability are limited or unlimited
  第三章给出了有密度制约的lotka - volterra捕食者-食饵系统，当总捕获能力有限和无限时，以最大纯收益为管理目标的最优捕获策略。
• The paper is organized as follows : in chapter 2 , we give out models of lotka - voiterra prey - predator system without that density constraint and get the optimal harvesting policy that takes the maximum net rent as management purpose , when harvesting ability are limited or unlimited
  本文具体安排如下：第二章给出了无密度制约的lotka - volterra捕食者-食饵系统，当总捕获能力有限和无限时，以最大纯收益为管理目标的最优捕获策略。
• In the paper , we propose several different harvesting patterns , introduce price and cost factor and employ qualitative analysis method to the lotka - voterra prey - predator system with density constraint and without density constraint . we choose the maximum net rent as the management objective so as to get the optimal harvesting policy and have stronger directive meaning to real - life
  本文对无密度制约和有密度制约的lotka - volterra捕食者-食饵系统，提出了几种不同的捕获模式，引入了价格成本因素，运用定性分析的方法，考虑了以最大纯收益为管理目标的最优捕获策略，以期使其对现实有更强的指导意义。