In this paper,the authors make a synthetical analysis on the current condition of research on intellectualizing identification of seismic events and seismic location methods that are based on the modernized signal processing technology.

文章對國內(nèi)外基于現(xiàn)代信號處理技術(shù)的智能化地震事件識別和定位方法的研究現(xiàn)狀進(jìn)行了綜合分析，針對該項研究存在的問題亚洲欧美女同一区二区，對其發(fā)展趨勢進(jìn)行了探討，初步提出了未來需要深入研究的課題。

Choosing Miyun Reservoir as the research background, this paper aims to study the high level functional integration between water quality model of reservoir and GIS. And then, lucubrates on some key problems in the water quality management of Miyun Reservoir, supported by the integrated models system.

本論文以密云水庫為背景亚洲日韩在线综合一区视频，著重研究地理信息系統(tǒng)和水庫水質(zhì)模型之間深層次的功能集成，并在此集成模型的支持下欧美性爱一级免费，深入研究密云水庫水質(zhì)管理中的若干關(guān)鍵問題日韩老司机深夜无码影院视频，主要研究內(nèi)容和結(jié)論包括

The entrance section of FuXi Double-arched Tunnel is modeled in the fact of factual shallow buried and unsymmetrical pressure condition. Adopting the three heading construction method to simulate twelve kinds of construction projects, confirm reasonable construction orders and left and right tunnel face interval, systematically analyze and research the changing law of the tunnel deformation and surrounding rock stress in soft and cracked condition of surrounding rock,bring forward pertinent advices against construction disease; Build the deep buried tunnel model in middle section of tunnel , separately adopt the central heading bench cut benching method and the central heading full cross method to simulate ten kinds of construction projects, establish the reasonable construction orders, sidestep length and tunnel face interval, which are due to the deep buried tunnel, systematically analyze and research the change law of the tunnel deformation and surrounding rock stress in the section with good surrounding rock condition, bring forward the reasonable construction projects which can make sure of construction safety and save construction time; Because the central wall is disturbed many times during constructing process, its displacement and stress distribution is very complex.

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Several tens of superlarge hydrothermal gold deposits related to volcano subvolcanic rocks have been defined in the world since 1980s. It is of great importance, both economically and theoretically, to study this type of gold deposits. The newly discovered Jinchang gold deposit, Heilongjiang Province, is one of this type of gold deposits, which is hosted by breccias bodies that are associated with volcano-subvolcanic rocks. More than 30 t Au resource has been proved after preliminary exploration by the 5〓 Geological Party of Gold Headquarter.

中文題名黑龍江省東寧金廠金礦床綜合地質(zhì)異常及找礦評價副題名外文題名 Comprehensive geological anomaly and exploring evaluation of the Jinchang gold deposit在线观看美女一区，Dongning，Heilongjiang province 論文作者朱成偉導(dǎo)師崔彬教授學(xué)科專業(yè)礦物學(xué)亚洲自偷自偷图片在线、巖石學(xué)国产公开免费视频、礦床學(xué)研究領(lǐng)域\研究方向成礦系列與成礦預(yù)測學(xué)位級別博士學(xué)位授予單位中國地質(zhì)大學(xué)學(xué)位授予日期2001 論文頁碼總數(shù)75頁關(guān)鍵詞金礦床金廠金礦綜合地質(zhì)異常找礦評價館藏號BSLW /2003 /P618.51 /5 80年代以來，國內(nèi)外發(fā)現(xiàn)的與火山-次火山有關(guān)的淺成熱液型特大型金礦床數(shù)十處久久婷婷五月综合品精，具有很大的工業(yè)價值和找礦前景免费性爱黄色视频，對該類型金礦進(jìn)行深入研究具有重要的理論和實際意義。

In this paper, the state and development of simulation of metal sheet press forming processes are summarized, and some key problems which are not yet solved well currently with finite element method in practical applications are provided.

本論文介紹了近年來國內(nèi)外在金屬薄板沖壓成型仿真研究的發(fā)展和現(xiàn)狀日本又硬又爽又黄又粗的视频，并針對應(yīng)用研究中一些尚待解決的關(guān)鍵技術(shù)問題進(jìn)行了深入研究操x网站。

The principle new development of modern irrigation engineering.

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Though we have make much progress on it, there remains many problems to study deeply, of which its supporting software system developing is an important and elementary subject of torpedo trajectory research.In this article, we bring forward the double-color method for stereodisplay of the torpedos trajectory.

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At last, the thesis analyzes the process of national security crisis management. In the third part, the thesis introduces the American and Russia national security crisis decision-making mechanism. By taking the valuable experiences of western development countries for reference, China will conclude more useful and efficient crisis decision-making mechanism. In the forth part, the thesis analyzes the factors that may influence our national security and present some policy suggestions on constructing our national security crisis decision-making mechanism. In the last part, the thesis sums up the total article, draws according conclusions and introduces the problems of this topic for further discussion.

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In basic properties of silver grass, the basic biology construction, fiber morphology, buffering capacity , surface wet ability and longitudinal tensile strength was mainly studied; in manufacturing process of SPB, the effect of board density and UF addition on physical and mechanical properties of SPB was mainly discussed, and By means of test of orthogonal experimental design and searching test, the relationship between moisture content , hot-pressing temperature , water-proofing agent addition and the TS of SPB was studied in detail. Through the study of the test production process of SPB, the best technological conditions were determined.

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