背景情况

In view of this, some new signal processing methods are studied for radio fuze target detection.

为使无线电引信在强背景噪声干扰的情况下能够正确地识别目标，就需要采取有效的信号处理方法识别目标。

The developing process about establish the model of earth surface and several classical methods, which are the methods of radiative transfer, geometric optics, hybrids of two or more of these, and numerical simulation are discussed in detail.

较详细地论述了建立地物散射模型的发展情况和几种典型方法：辐射传输方法、几何光学方法、复合模型方法以及数值模拟方法等，初步研究了适用于植被、土壤、沙漠等环境背景的双向反射分布函数模型。

Ciò accade, ad esempio, con le macchine SIP Genevoise 550M e 305, che hanno bisogno di avere il software LMC in esecuzione in background.

这种情况下，作为一个例子，与SIP的Genevoise一系列550m机器，需要他们自己的LMC 运行的软件的背景。

The first part discusses the background of Hasidism"s produce in Europe, introduces the Hasidism"s character of the faith, basic doctrines, transmigration into the America and the early situation of development and introduces readers an outline of the Hasidism.

论文分三部分加以阐述，第一部分主要介绍了哈西德派在欧洲产生的历史背景，宗教信仰的特点、基本教义及其早期移民在美国发展的情况，使人们对哈西德派有一个总体的认识。

In general, this paper includes several parts, shown as the following: The first part summarizes the background and outline of stock index future and introduce briefly its local status and CSI 300 stock index future contract. The second part has a retrospect of the main academic papers of both local or overseas, and also a discussion of relevant hedge strategies and models, to lay a solid theoretical foundation for the empirical analysis and test for the operation process of hedge in latter parts. The third part outlines the principle, key factors and real operation process of hedge. Moreover, it makes a empirical analysis on popular hedge models with HK Hang Seng index. In the end, it test the hedge effect of trading on IF0706, CSI 300 stock index future contract, with CCB select-growth securities fund as present underlying. The fourth and also the last part, explores how to define hedge ratio in china mainland market. It includes the stability test ofβfor local securities portfolio, adjustment of historicalβand best data length for estimation of historicalβ, etc. Also, the thesis makes some beneficial experiments on the definition of best data length for estimation of historicalβ, survey of fashion forβand variation for industryβs. Fortunately, it's got some meaningful results.

按照以上研究思路，本论文论述由以下几个部分构成：第一部分，简要概述股指期货产生的背景和基本情况，对国内股指期货进程和沪深300股指期货合约进行简单介绍；第二部分，回顾海内外股指期货避险研究的主要文献，讨论相关避险策略及避险模型，为后面套期保值策略如何有效运用的实证分析和检验提供理论基础和依据；第三部分，对套期保值的原理、关键因素及实际流程进行概述，并采用香港恒生指数对常用的几种避险模型进行实证分析，最后一揽子以建信优选成长股票型基金为现货标的，实际检验以沪深300股指期货模拟交易IF0706产品进行对冲时的套期保值效果；第四部分，探讨国内确定避险比率的过程，包括国内股票组合β值的稳定性检验、历史β值的修正及估计历史β值的最佳数据长度等，通过数据分析，本文在寻找估计β值的最佳数据长度和考察风格、行业β值的差异上做了较为有益的尝试，并得到了有助于现实操作的结果。

He also overlaps Hinton in time, dealing in the main with the Liberation War (civil war after the Japanese surrender), but with many references to the past and to the course of the civil war in other regions.

时间上同韩丁也有所重迭，写的主要是解放战争（日本投降以后爆发的内战），但也追溯许多历史背景，并提及其他地区内战进行的情况。

Background: Insulin resistance, infertility, and hirsutism, common characteristics of polycystic ovary syndrome, improve with even modest weight loss.

背景：胰岛素抵抗，不育症和多毛症，是多囊肝卵巢综合征常见特征，在适度的体重减轻情况下这些症状有所减轻。

Through the research of the application of hoister stroke control and computer control, the paper introduces the design and the application of control system of auxiliary shaft hoister.

本文以孔庄矿副井提升机改造为工业背景，通过对提升机行程控制和计算机控制技术在矿井提升机中的应用的研究，阐述了副井提升机计算机控制系统的设计与应用情况。

This review focuses on the research background, experimental research advances, clinical application, primary merits, complications and problems expected to be resolved on the application of hyaluronidase in vitrectomy.

现就透明质酸酶应用于玻璃体手术的研究背景、实验研究进展、临床应用情况、主要优点和主要并发症及尚待解决的问题作一扼要综述。

Urban pedestrian street, in the competition index meet the requirement ICI circumstances, to choose what kind of theme, what kind of concept, is key to the success of Walking Street, but also to grasp the context of urban development.

城市步行街，在竞争指数符合要求卜内门的情况下，选择什么样的主题，什么样的概念，是成功的关键，步行街，而且要把握的背景下城市发展。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。