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说明：  This book explains the use of C language

802.11ofdm源程序，非常适合初学者，一个很好的程序。-802.11ofdm source, very suitable for beginners, a good procedure.

说明：  对小世界网络、随机网络以及无标度网络分别对齐的第一层第二层以及整体进行了对比分析了聚类系数的情况(The first layer, the second layer and the whole layer of small world network, random network and scale-free network are compared and analyzed)

说明：  本文介绍了一种新型变刚度执行机构(CompAct-VSA)的设计与建模。压实- vsa的工作原理是基于具有连续调节枢轴点的杠杆臂机构。提出的概念允许开发具有大刚度范围和快速刚度调节响应的驱动单元。执行机构的实现利用凸轮形杠杆臂与可变枢轴驱动齿条和小齿轮传动系统。这种实现导致了高度集成和模块化的组装。尺寸和重量确实是VSAs设计中的一个开放问题，这最终限制了它们在多自由度机器人系统中的实现。本文介绍了执行机构的原理、工作原理和模型。初步结果表明，所提出的压实vsa设计具有快速的刚度调节响应和较大的刚度范围。(This paper describes the design and modelling of a new variable stiffness actuator (CompAct-VSA). The principle of operation of CompAct-VSA is based on a lever arm mechanism with a continuously regulated pivot point. The proposed concept allows for the development of an actuation unit with a wide range of stiffness and a fast stiffness regulation response. The implementation of the actuator makes use of a cam shaped lever arm with a variable pivot axis actuated by a rack and pinion transmission system. This realization results in a highly integrated and modular assembly. Size and weight are indeed an open issue in the VSAs design, which ultimately limit their implementation in multi-dof robotic systems. The paper introduces the mechanics, the principle of operation and the model of the actuator. Preliminary results are presented to demonstrate the fast stiffness regulation response and the wide range of stiffness achieved by the proposed CompActVSA design.)

Given N rational numbers in the form "numerator/denominator", you are supposed to calculate their sum. 输入描述: Each input file contains one test case. Each case starts with a positive integer N (<=100), followed in the next line N rational numbers "a1/b1 a2/b2 ..." where all the numerators and denominators are in the range of "long int". If there is a negative number, then the sign must appear in front of the numerator. 输出描述: For each test case, output the sum in the simplest form "integer numerator/denominator" where "integer" is the integer part of the sum, "numerator" < "denominator", and the numerator and the denominator have no common factor. You must output only the fractional part if the integer part is 0.(Input Description: Each input file contains one test case. Each case starts with a positive integer N (<=100), followed in the next line N rational numbers "a1/b1 a2/b2 ..." where all the numerators and denominators are in the range of "long int". If there is a negative number, then the sign must appear in front of the numerator. Output Description: For each test case, output the sum in the simplest form "integer numerator/denominator" where "integer" is the integer part of the sum, "numerator" < "denominator", and the numerator and the denominator have no common factor. You must output only the fractional part if the integer part is 0.)

与成熟的传统门户不同，博客门户是基于很多新兴以及还将不断涌现的新技术，因此它的实现和表达方式仍在摸索。-And maturity of the traditional gateway to different blog portal is based on the many emerging and will continue to emerge of new technologies, so its realization and expression are still exploring.

CSS漂实现不规则菜单效果，纯CSS DIV代码实现。这种菜单看上去给你一种很活泼的感觉，不是一条直线上的菜单，错落有致，看着也挺有意思，如果做一些儿童网站，或许是个不错的选择。

有效二值化，快速二值化，图像预处理，简单易懂(Thresholding Effective binarization, fast binarization, image preprocessing, easy to understand)

电磁阀驱动IC，用于车辆变速箱控制的电磁阀驱动芯片，通过SPI控制输出电流为恒值或者开关模式(TLE7242-2G datasheet cant find 7242G)

实现大小写互换，即输入大写子母程序会自动转成小写子母(Realization case swap)