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This paper states in details several key techniques such as amplification &AGC, anti-confusion filterings, the digitalization of the speech signals, characteristic selection etc n the pre-processing technique of the speech signal.
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本文详细阐述了语音信号预处理技术中的放大和增益控制、反混叠滤波、语音信号数字化、特征提取等几项关键技术。 |
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This paper statistically analyzesd tropical cyclones that enteved the GuangXi influence area during 1960~2002, and found there wave 4.3 tropical cyclones entering GuangXi influence area every year, intensity of 0.3 tropical cyclone suddenly strengthened i
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摘要本文对1960~2002年进入广西影响区的热带气旋进行统计分析，发现平均每年有4.3个热带气旋进入广西影响区，强度突然加强的平均每年有0.3个，发生在6~10月，其区域分布主要集中在海南岛东北部近海至粤西近海区域和北部湾海域。 |
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This paper studied 4-axis CNC spiral bevel gear machine movement rules, and set up machine machining coordinates.
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摘要研究了四轴数控螺旋锥齿轮铣齿机的运动规律，建立了铣齿机加工坐标系。 |
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This paper studied Circular Queue this basic data structure, discussed the influence of four settings of the front and rear pointer on EnQueue and DeQueue algorithm pointed out the key problem of writing simple algorithm is the setting of the initial valu
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本文研究了一种基本的数据结构——循环队列,讨论了循环队列的四种头尾指针的设置方法对入队、出队算法实现的影响,说明要写出简单出入队算法的关键在于头尾指针初值的设置,总结了四种头尾指针约定下合理的初值设置和出入队算法。 |
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This paper studied and analysed the apron and groin actions, protection principles, setting methods, application conditions, and validities, etc. in roadbed protection of road besides river in forest region.
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摘要研究分析了丁坝和护坦在沿河林区公路路基防护中的作用、防护原理、设置方法、应用条件和有效性问题。 |
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This paper studied landlords' writs in Suchou from late Ting dynasty to 1930s in the academic institutions of Japan and America and reached the conclusion that the landlord system was still popular in the early 1920s with the land bursary system as the ma
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摘要作者通过研究日本及美国学术机构所藏晚清到1930年代苏州地区的地主文书，包括佃户名册、租簿、赋役书、收租者的信函以及地主租栈收租程序的文书，进而认为：中国的地主制度至少在1920年代初期仍然具有相当强的生命力，而维持其生命力的一个极重要因素便是“租栈”制度。 |
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This paper studied nitrification and denitrification of mature aerobic granular which cultivated from activated sludge and anaerobic granular sludge.
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摘要分别以活性污泥和厌氧颗粒污泥培养的好氧颗粒污泥为对象，对成熟污泥颗粒的脱氮性能进行了比较研究。 |
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This paper studied the basic ecology characteristic, the ecology function, the modern change, the protection and the construction of the wetland of Tarim River, and proposed the corresponding countermeasure to protect the function of ecosystem and biodive
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对塔里木河湿地的基本特征、生态功能、近代变化和其保护与建设的现实意义进行了研究，指出应该重视科学研究，拯救珍稀濒危物种，并提出了相应对策。 |
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This paper studied the development and rapid re alization of product based on dispersed network manufacturing (DNM), its aim is to establish a demonstration system for spreading the dispersed network manufacturing in China.
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摘要基于分散网络化制造的产品开发和快速实现研究，目的是为在中国推广分散网络化制造建立示范系统。 |
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This paper studied the distribution,flora,physiognomy,construction,regeneration and succession dynanic of Tilia mongolica forest in Wulingshan mountain and advanced measure of protecting and managing forest community.
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为了加强天然林保护，在标准地调查和统计计算的基础上，分析研究了雾灵山蒙椴落叶阔叶混交林群落的分布、区系成分、外貌特点、结构特征和群落的更新演替规律，并提出了群落的经营保护措施。 |
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This paper studied the dynamical behavior of a 4-dimensional reversible system near a heteroclinic loop connecting a saddle-focus equilibrium and a saddle one.
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摘要讨论了四维反转系统中异宿环附近的动态性质，其中的异宿轨是连接鞍焦点和鞍点的。 |
