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(1) 设计一个程序，用于根据用户输入的命令行参数数量来计算长方形、正方形、三角形的面积。如果输入的参数为一个、二个、三个则它们应分别对应正方形、长方形、三角形...
(1) 设计一个程序，用于根据用户输入的命令行参数数量来计算长方形、正方形、三角形的面积。如果输入的参数为一个、二个、三个则它们应分别对应正方形、长方形、三角形，如果没有参数，则通过异常处理方法现实错误消息。（用于计算面积的方法是一个重载的方法。提示：定义一个抽象的父类，并提供一个抽象的方法area(). 再派生出三个子类，重写area()方法，然后在main方法中用多态来实现具体的面积函数的调用）。-(1) design a program based on user input for the command line parameters to calculate the number of rectangular, square, triangle area. If the input parameter is one, two, three then they should correspond to a square, rectangle, triangle, without parameters, exception handling through the real error message. (Used to calculate the area is an overloaded method. Note: the definition of an abstract parent class, and provides an abstract method area (). To send birth to three sub-classes override area () method, and then in main method using multi-state to achieve a specific area of a function call).
- 2022-07-11 07:56:19下载
- 积分：1
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VPN commonly used terms, so the network, like you can check out.
VPN常用术语，做网络的、喜欢的可以瞧瞧。-VPN commonly used terms, so the network, like you can check out.
- 2023-08-07 15:20:03下载
- 积分：1
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实现长整数型的运算，加 减 乘 等 解决了越界的问题 可以计算两百位的数！...
实现长整数型的运算，加 减 乘 等 解决了越界的问题 可以计算两百位的数！-achieve long-integer arithmetic, as modified by the cross-border solution to the problem of calculating the number 200!
- 2023-02-13 22:50:03下载
- 积分：1
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OriginPPS
Origin教程ppt，页面简单但内容详尽(Origin Guide ppt, pages simple but detailed)
- 2007-06-24 00:14:32下载
- 积分：1
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BattleCity(DirectX)
采用DirectX编写的坦克大战源码，适合游戏编程初学者学习。(Tankedaizhan source code written using DirectX, game programming for beginners to learn.)
- 2010-10-16 20:17:45下载
- 积分：1
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Flash+xml宽屏电影效果flash图片切换
flash图片切换源代码，基于Flash+xml打造的宽屏电影效果图片展示，在flash宽屏背景的映衬下显示更逼真，右下角控制按钮可控制大图切换，图片比较大，测试时候放了几张图片有点小了，效果不尽完美，用时候你找大图片就完美了。
- 2022-03-26 05:28:13下载
- 积分：1
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LabVIEW
使用LabVIEW开发平台编制的程序称为虚拟仪器程序，简称为VI。LabVIEW（Laboratory Virtual instrument Engineering Workbench）是一种图形化的编程语言，它广泛地被工业界、学术界和研究实验室所接受，视为一个标准的数据采集和仪器控制软件。LabVIEW集成了与满足GPIB、VXI、RS-232和RS-485协议的硬件及数据采集卡通讯的全部功能。它还内置了便于应用TCP/IP、ActiveX等软件标准的库函数。这是一个功能强大且灵活的软件。(Using the LabVIEW development platform known as the virtual instrument programmed process, referred to as VI. LabVIEW (Laboratory Virtual instrument Engineering Workbench) is a graphical programming language, it is widely used by industry, academia and research laboratories accepted as a standard data acquisition and instrument control software. LabVIEW integration and satisfaction with GPIB, VXI, RS-232 and RS-485 protocol communications hardware and data acquisition card full functionality. It also has built easy to use TCP/IP, ActiveX software such as standard library functions. This is a powerful and flexible software.)
- 2010-03-09 21:07:51下载
- 积分：1
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python-行人检测-可用
这是利用python+opencv编写的，行人检测代码，另配有检测样图，测试可用(this is a code for person detect,it function is normal)
- 2020-10-27 17:09:59下载
- 积分：1
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基于DSP的60kW_300kHz高频感应加热电源
介绍了一种基于DSP 的高频感应加热电源。现以MOSFET为开关器件，并通过逆变器并联扩容为60kW/300kHz。采用多重斩波技术，增大了斩波电路的容量，将基于DSP 的fuzzy-DPLL 复合数字锁相环技术应用在高频场合，使锁相有快速的动态性能和高精度的稳态性能，实现了对负载频率的可靠跟踪及对逆变状态的可靠控制，提高了逆变器
的工作效率和功率因数。(A high frequency induction heating power supply based on DSP. MOSFET is now used as a switch device, and the capacity of 60kW/300kHz is expanded in parallel through the inverter.Using multiple chopping technology, the capacity of chopper circuit is increased, and the fuzzy-DPLL composite digital phase locked loop technology based on DSP is applied to the high frequency situation, so that the lock is locked.It has fast dynamic performance and high precision steady state performance. It achieves reliable tracking of load frequency and reliable control of inverter state, and improves inverter.Working efficiency and power factor.)
- 2018-03-10 14:00:04下载
- 积分：1
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zuizhong
说明： 对UKF进行改进，采用最小偏度采样减少采样点数量，并结合实际状态方程和测量方程直接进行线性运算。改进后的UKF对蛇形机动目标的跟踪效果明显优于EKF(the mini-skewness sampling is adopted to reduce the number of sampling points, and the linear operation is carried out directly combining with the actual state equation and measurement equation. The experimental results show that the improved UKF has a better tracking effect on snake-like maneuvering targets than EKF)
- 2021-01-11 14:28:50下载
- 积分：1
