Abstract : this paper introduces the main applied accomplishment in flood disaster is quick - reporing system by remole sensing based on network for chinese flood monitoring and assessment in 1998 . it includes the following aspects : monitor flood dynamically , assess the losses of crops , analyze the efficiency of the flood - preventing projects , analyze the surveying results for dangerous regions , monitor flood in cities , evaluate the vulnerability of the life - line projects and industry areas , analyze the necessity of flood eater - storage and flood - diversion for the floods in changjiang river ; finally , it gives some proposals for decision making in prevebtubg flood and mitigating harzard and function - zoning planning for rebuilding of homestead after hazard etc 文摘:介绍了基于网络的洪涝灾害遥感速报系统在1998年全国特大洪涝灾害监测评估中的主要应用成果，包括动态监测、农作物损失评估、防洪工程有效性分析、险工险段调查分析、城市洪灾监测、工业区生命线工程易损性评估、长江洪水蓄洪分洪必要性分析、防洪减灾决策建议和灾后重建家园功能分区规划等
So this essay , using comparison and positivism , begins with the risks in the obligation law relationship to obtain the differences between the guaranty law relationship and insurance law relationship . the essay disaffirmed the guaranty nature of warrantee insurance and then confirmed the insurance nature of it through analysis of the legal and economic definitions , the value , the function and the mechanism of insurance 所以,本文试从债的法律关系中的风险入手,运用定性分析、定量分析、比较分析和实证分析等方法,首先将保证和保险视为平行的避险工具,揭示二者的不同,从而排除保证保险的保证属性,其次又从保险的法律和经济含义切入,阐释保险的价值、功能和机制,同时肯定保证保险的保险属性。
This paper introduces the main applied accomplishment in flood disaster is quick - reporing system by remole sensing based on network for chinese flood monitoring and assessment in 1998 . it includes the following aspects : monitor flood dynamically , assess the losses of crops , analyze the efficiency of the flood - preventing projects , analyze the surveying results for dangerous regions , monitor flood in cities , evaluate the vulnerability of the life - line projects and industry areas , analyze the necessity of flood eater - storage and flood - diversion for the floods in changjiang river ; finally , it gives some proposals for decision making in prevebtubg flood and mitigating harzard and function - zoning planning for rebuilding of homestead after hazard etc 介绍了基于网络的洪涝灾害遥感速报系统在1998年全国特大洪涝灾害监测评估中的主要应用成果，包括动态监测、农作物损失评估、防洪工程有效性分析、险工险段调查分析、城市洪灾监测、工业区生命线工程易损性评估、长江洪水蓄洪分洪必要性分析、防洪减灾决策建议和灾后重建家园功能分区规划等
Under this circumstance , our treasury bond market exits lots of shortfalls which impede further development for this market . in this essay , combining with the experience in developing country " s experience , it analyses some challenges which confronted chinese bond market , such as liquidity in the interbank market has yet to be improved , duration in bond products are yet to be rational , a sound yield curve is yet to be take shape , the separation between exchange and interbank yet to be broken . in order to solving above issues , this essay suggests that it should develop market maker system to increase market liquidity ; manage balanced treasury bond ; issue short and long term treasury bond in proportion to improve duration and yield curve ; develop bond derivative products such as future trading , open style repurchasement , so it can provides tools for risk protection 但随着我国经济的快速发展，金融市场已今非昔比，中国成为了世贸组织的成员，中国资本市场要走向国际化，利率的市场化是大势所趋，在此前提下，我国国债市场还存在着很多不足，越来越阻碍着国债市场的进一步发展，本文结合世界发达国家的先进经验，剖析了我国国债市场存在的一些问题如：流动性有待改善、国债期限结构不合理、无法形成科学合理的益率曲线、交易所市场与银行间市场割裂等，为解决这些问题，本文建议应发展做市商制度以提高市场流动性；实施国债余额管理，发行短期国债及长期国债，改善国债期限结构，以形成科学合理的收益率曲线；发展债券衍生金融创新工具如国债期货交易、开放式回购等，为投资者提供避险工具等等。
