In short, the stage partition of planed-economy and market economy is the natural division for type ascertain of medical security system. 简单来说,计划经济时期和市场经济时期是划分医疗保障制度的天然阶段。
The immune mechanism can use for reference for improving computer security. By researching natural immune system simulated, probably, the computer security system can get many ideal characteristic. 免疫机制可以为改善计算机的安全提供借鉴,通过对自然免疫系统的模拟研究,可能会使计算机安全系统获得许多理想的特性。
The research of this thesis has sponsored by the natural science foundation of Jiangsu Province for the project " Research on the High Intensity VPN Security Gateway Techniques and Core System Based on PKI and ECC " ( Project Number : BK2004039 ). 本论文研究内容来源于江苏省自然科学基金项目:基于PKI、ECC的高强度VPN安全网关技术与核心系统的研究(项目编号:BK2004039)。
The third part is the analysis of the problems of rural land of reasons, including natural economy hampered land transfer, rural land ownership is not clear, land transfer market mechanism is not perfect, imperfect social security system, lack of knowledge hinder land transfer. 第三部分是剖析农村土地流转存在的问题的原因,包括自然经济阻碍土地流转,农村土地产权不明晰,土地流转市场机制不健全,社会保障制度不完善,认识不足阻碍土地流转。
As the power industry, natural monopoly nature and bears responsibility for national security, the Government policy of using its own resources and administrative resources of its policy of intervention, resulting in the executive power system is growing. 由于电力行业的自然垄断性质和赋有国家安全保障责任,政府较易利用自身的政策资源和行政资源对其进行政策性干预,造成电力系统的行政色彩越来越浓。