But there are still some lacks such as long development cycle, high-demand of technique, large capital investment, high risk, fixed model and poor scalability.
但仍存在开发周期长，技术要求高，资金投入大，风险高，模式固定，可扩展性差的不足。
The purpose for this model is to rationally allocate the capital and other resources and to maximize the profit of investment project portfolio within the risk bearing capability.
该模型在保证资金等资源合理配置的前提下，在风险承受范围内，实现了项目组合收益的最大化。
On this basis, to build a scientific, systematic analysis of power enterprises based on return on investment in human capital management model and the protection mode.
以此为基础，构建起科学、系统的基于投资收益分析的人力资本管理模式和运行保障策略。
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