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The vocabulary of the mid-ancient history book consist of culture lexicon, archaism and neologism which cones from different origin, the paper analyses their feature and summarizes the characteristic of the mid-ancient history book.

论文还从词汇构成入手，对中古史书词汇中的文化词汇、古语词和新词的来源及特点进行了分析，并在此基础上总结出中古史书词汇的特点。

In this article,author discussed the infection of modern scientific technology on the innovation and modernization of vocational education from the characteristic of the 21st human new architectonic system,and then analaysized the effection of the education technology development on the vocational education courses system,in the end,he also proposed some new suggestions on the innovation of vocational education in the conditon of the modern education technology.

从21世纪人类新知识体系的发展特点出发，探讨了当代科学技术对教育技术现代化和职业教育课程改革的影响，教育技术的发展在当前职业教育课程体系改革中的作用，以及现代教育技术环境下职业教育课程改革的若干建议。

Zhang Yonghe's focus in architectural domain shifted from the studies of the prototype of courtyard houses with the characteristic of traditional Chinese architecture to architectonics in the mid-90's, and then to urbanism which addresses the instability of urban phenomena in late 90's.

作 者：朱亦民，深圳道格玛建筑工作室建筑师摘要：张永和的建筑思想在九十年代经历了由对带有中国文化特征的院落空间的探讨向建构学的研究，再向对城市建筑现象的不定性的关注的转变。

Validated from ground truth data, this series data has great potential in fog detection. According to the results, DEM and the water system vector graph of this area, the characteristic of dynamic changes of fog is analyzed.

经地面验证，序列影像数据在雾变化检测的研究方面具有很大的潜力，检测结果动态地显示了该次大雾的形成、发展、稳定、消散的过程。

In present textbook,for curvilinear parameter equation,there is no defined methods to solve characteristic of graph ,copy methods and the area of self-closed planar graph .

在现行教材中，有关参数方程所示曲线的图像特点、描绘方法以及自身封闭所围成的平面图形的面积等都未给出明确的求法，为此，文中给出了关于曲线参数方程的两个教学注记，以弥补教材中的不足。

For making good use of the Argo data,by analyzing the data format and characteristic of the Argo data,a method of the sharing management of Argo data is proposed by using the grid technology.

由于全球海洋实时观测网Argo的数据量十分巨大，为了有效管理和使用这些数据，在分析Argo数据格式及特点的基础上，提出了利用网格技术对Argo数据进行共享管理的方法。

In PL/1, a characteristic of arithmetic data,real or complex.

在PL/1语言中，表示算术型数据的特性，实型或复型。

Firstly it describes the development ,basic principle and application and propagation characteristic of mobile channel , then investigates the system structure of DAB transmitter and receiver separately and the key technology of realization of the digital audio broadcast system.And then discusses the system component of FFT －the demodulation module of OFDM .The 409- points FFT module employs a radix-4 decimation-in-frequency algorithm, includes arithmetic element , read and write address element ,twiddle factor element and control element , is realized by FPGA. In the end , the result is verified in the matlab .

首先概述了OFDM的发展、基本原理和应用以及移动信道的传播特性，接着分别研究了数字音频广播接收机和发射机的系统结构，以及数字音频广播系统实现的关键技术，然后详细论述了OFDM解调模块FFT的系统结构，主要研究了4096点FFT采用基－4按频率抽取实现的算法，整个FFT模块包括了运算单元、读写地址单元、旋转因子单元以及控制单元，并且在FPGA中进行了硬件实现，并在matlab环境下对结果进行了验证。

In this paper, some operators（Roberts, Sobel, Prewitt, Laplacian, Canny） which are frequently used are studied theoretically and arithmetically, and compared with the characteristic of these methods on image edge detection.

阐述了边缘检测在医学图像处理中的重要作用，分析了几种常用算子（Roberts，Sobel，Prewitt，Laplacian，Canny）基本原理及算法实现，并对比各算子的优缺点，并用VC＋＋。

This paper analyses the characteristic of network for armada.Twelve factors which influence network reliability of armada are concluded.

0引言以信息化和网络化为中心的海上编队作战，已经成为现代海上作战的基本模式，多节点分布式网络化的作战系统已成为海上作战系统发展的主导方向。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。