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编程原理的流程图方便思考，请使用visio打开(The flow chart of programming principle, please use Visio to open it)

利用类及派生类在屏幕上输出英语问好提示，其输出结果如下图所示。 -category and the use of derived classes in English output on the screen greets suggest that the output results as shown in the diagram below.

说明：  吴镇扬老师的数字信号处理教材，内容简介明了，是东大考研的必备材料。也是技术人员学习的重要参考资料。(Zhen-Yang Wu teacher' s digital signal processing textbook, Introduction to understand, is the essential material of Tokyo Entrance Examination. Technical staff is also an important reference for learning.)

说明：  宠物收养平台，为宠物命名，并通过陪宠物玩耍和喂宠物提升亲密度和好感度。(Pet adoption platform, named for pets, and through playing with pets and feeding pets to enhance intimacy and goodwill.)

说明：  One allows you to convert pictures into albums on your web pages, and switch between albums and albums when cover pictures are added.

qradar udm 讲述IBM SOC平台的日志编写功能，通过文档可以编写SOC平台日志(You can add up to 500 Microsoft Windows or Universal DSM log sources at one time. When you add multiple log sources at one time, you add a bulk log source in QRadar. Bulk log sources must share a common configuration.)

说明：  水声到达角估计算法中，引入了相位误差的概念，分析相位误差对估计的影响。(In underwater acoustic DOA estimation algorithm, the concept of phase error is introduced to analyze the influence of phase error on estimation.)

二维节点随机移动轨迹的模拟生成，通过Matlab实现。(Simulated Generation of Random Moving Trajectories of Two-Dimensional Nodes)

针对数据分类问题，提出了基于极限学习机的分类方法，将数据样本分为训练样本和测试样本，并采用准确率指标进行评价。(Aiming at the problem of data classification, a classification method based on extreme learning machine is proposed. The data samples are divided into training samples and test samples, and the accuracy index is used to evaluate.)

说明：  双边滤波函数 双边滤波是一种非线性滤波器，它可以达到保持边缘、降噪平滑的效果(Bilateral filtering. Bilateral filter is a kind of nonlinear filter, which can keep edge and reduce noise and smooth)