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This article deals with the development of the marine insurance laws and the theoretical and practical problems associated with marine insuran ce, such as the risks (perils of the sea, jettison and barratry), additional risks (theft, pilferage and non-delivery, T. P. N. D., rain fresh water damager, risk of shortage, risk of odour), special additional risks (war risk, strikes, riots and civil commotions risks, S. R. C. C.) and excluded perils, as well as losses and charges insured, i. e. total los...

本文主要论述海上保险法的发展及其有关的理论和实际问题，如承保的风险(海难、投弃和船长与船员的不法行为)、附加险(偷盗、提货不着、淡水雨淋、缺量、串味)、特别附加险(战争险、罢工、骚乱和民变险)和除外风险，及承保的损失与费用，即全部损失和部分损失，以及委付与代位权等，使读者对保险法可以得到概括的理解，有助于他们更好地从事国际商事活动和法律活动。

This article deals with the development of the marine insurance laws and the theoretical and practical problems associated with marine insuran ce, such as the risks (perils of the sea, jettison and barratry), additional risks (theft, pilferage and non-delivery, T. P. N. D., rain fresh water damager, risk of shortage, risk of odour), special additional risks (war risk, strikes, riots and civil commotions risks, S. R. C. C.) and excluded perils, as well as losses and charges insured, i. e. total loss act...

本文主要论述海上保险法的发展及其有关的理论和实际问题，如承保的风险(海难、投弃和船长与船员的不法行为)、附加险(偷盗、提货不着、淡水雨淋、缺量、串味)、特别附加险(战争险、罢工、骚乱和民变险)和除外风险，及承保的损失与费用，即全部损失和部分损失，以及委付与代位权等，使读者对保险法可以得到概括的理解，有助于他们更好地从事国际商事活动和法律活动。

According to the model, the deflection and main pre-brace parameters are illustrated with the Jinsong station of the tenth line in Beijing. It demonstrates that the curve shape of theoretical result, computing result and the on-set measure result are uniform in the main and the change law is similar; that the circumferential space of pipe-roof has a optimum value while satisfying the pre-brace function; that the relation between diameter of steel pipe and flexibility of barrel vault meets negative exponential function. And the diameter of steel pipe has a optimum value.

依据该模型，以北京地铁10号线劲松车站管棚支护为例，着重对管棚的挠度和主要支护参数进行的分析表明：理论结果与计算结果和现场量测结果的曲线形状基本相同，变化规律相似；在满足预支护作用的同时，存在相对较优的管棚环向间距；钢管直径与管棚挠度之间符合负指数函数关系，管径存在最佳值。

By solving the SturmLiouville eigen-equation in the barycentric coordinate, the generalized sine and cosine functions in the triangular domain are constructed. Properties of these functions are systematically investigated by visualization and theoretical derivation.

本文通过求解重心坐标下的Sturm-Liouville特征方程，构造出了三角区域的广义正弦函数和广义余弦函数，并通过可视化与理论推导相结合的方法系统的研究了这两组函数的性质。

By solving the Sturm-Liouville eigen-equation in the barycentric coordinate, the generalized sine and cosine functions in the triangular domain are constructed. Properties of these functions are systematically investigated by visualization and theoretical derivation.

本文通过求解重心坐标下的Sturm-Liouville特征方程，构造出了三角区域的广义正弦函数和广义余弦函数，并通过可视化与理论推导相结合的方法系统的研究了这两组函数的性质。

In view of this, to be on the right to dispose of some of the basic theoretical issues, the representation of the academic point of view to make some order, while some have a practical value point of view.

鉴于此，拟就无权处分的一些基本理论问题、学界的代表性观点作一些整理，同时提出一些具有实践价值的观点。

ABSTRACT Based on theoretical analysis of axial compression of ring-shape specimen between two flat dies by an upper-bound technique,it is possible to carry out the measurement of both the friction coefficient of lubricant and the basic flow stress of the ring material under particular temperature and strain rate.

摘 要 根据圆环压缩的连续速度场上限定理的理论分析，通过圆环试样压缩前后的几何尺寸的变化，能测量润滑剂的摩擦因数和圆环材料的流变应力。

It is aimed to provide some theoretical basis for the interest rate risk management of Chinese commercial banks.

本部分的主要目的是为我国商业银行的利率风险管理提供理论基础。

In this dissertation, an investigation on the theoretical basis of support vector machine and its application in the fault diagnosis is carried out.

研究发现，统计学习理论中确认的支持向量机可以自动地确定径向基核函数参数这一规律，在旋转机械故障诊断领域中某些条件下并不适用。

This paper is to explore the theoretical basis.

这是本文探讨的理论基础。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。