So , we must assure the procuratorial organizations " constitutional position and presecutors " independant position . presently , we have established some systems good for procuralorial organizations " supervision functions , but there are still some disadvantages , such as fi - nance dependence ; weak prosecution supervision ; imperfect leadership system . therefore , to establish and perfect guarrantee 因此，必须建立和完善有关保障制度，首先，要建立独立的检察财政体系;其次，要完善诉讼监督的程序立法;第三，要建立起诉公开制度;第四，改革和完善检察机关的领导体制;第五，建立有效的监督制约机制。
Theory of portfolio optimization is an important part of the modern ? nance in - vestment theories , which uses mathematical facilities such as convex analysis , random analysis , nonsmooth analysis , ( nonlinear ) programming etc , combined with the mean - variance method the basic method of modern portfolio theory . by setting up mathe - matical models , discussed the investment rules of ? nance market and o ? ered theoretic guide for investors 投资组合优化理论是现代金融投资理论的重要组成部分，它运用凸分析、随机分析、非光滑优化、 (非)线性规划等数学工具，并与现代投资组合理论的基本方法均值方差方法相结合，通过建立数学模型讨论金融市场投资规律并为个人或机构投资者提供理论指导。
