ExtensionRegistry

3.已知车辆（Vehicle）包括机动车（MotoVehicle）和非机动车（NonMotorVehicle）2种。小汽车（Car）、公交车（Bus）等属于机动车，自行车（Bicycle）等属于非机动车。随着能源技术的发展，出现了电动自行车（ElectricBicycle）、电动小汽车（ElectricCar）、天然气公交车（NaturalGasBus）等新型车辆。车辆的共同特征是都能够运行（run），并且有唯一的5位车牌号（LicenseNumber）。机动车的共同特征是采用燃油发动机（FuelEngine），且能够驾驶（drive）。自行车的共同特征是能够骑行（ride）。电动车辆的共同特征是由电池（Battery）驱动。天然气车辆的共同特征是采用天然气（NaturalGas）作为动力。 要求： (1)设计一个类体系描述上述车辆，写出它们的属性和方法。 (2)一家公司（Company）拥有10辆普通小汽车、5辆公交车、2辆电动小汽车和1辆天然气公交车，要求写一个方法listVehicles（）显示所有车辆的信息（车牌号以及采用的动力）。 程序文件命名为Exe4_3.java。(3. Known vehicle (Vehicle) including motor vehicle (MotoVehicle) and non-motorized (NonMotorVehicle) 2 species. Cars (Car), bus (Bus), etc. to motor vehicles, bicycles (Bicycle), etc. are non-motor vehicles. With the development of energy technologies, the emergence of electric bicycles (ElectricBicycle), electric cars (ElectricCar), natural gas buses (NaturalGasBus) and other new vehicles. A common feature of the vehicle is able to run (run), and there are only five license plate number (LicenseNumber). Common feature is the use of a motor vehicle fuel engine (FuelEngine), and is capable of driving (drive). Common feature is the ability to ride a bike (ride). Common characteristics of the electric vehicle is driven by a battery (Battery). A common feature is the use of natural gas vehicles (NaturalGas) as the driving force. Claim: (1) describe the design of a class system of the vehicle, write their properties and methods. (2) a company (Company) owns 10 ordinary cars, five buses, )

完成端口模型的实现，基本的框架，可以利用这个框架扩充-Realize the completion port model, the basic framework, this framework can be used to expand

说明：  特征提取，希尔伯特黄变换可以用于模式识别过程中的特征提取(feature extract,Hilbert-Huang transform can be used for feature extraction in pattern recognition)

java 300 列里的 第17部分，没有太了解是什么。(java 300 in the content)

socket连接的服务器端和客户端程序，能够相互间实现通信，代码能够执行-socket connected to server-side and client-side procedures, to achieve inter-communication, the code to perform

系统oem修改源码例程，程序调用API函数实现系统oem修改功能。(System oem modify source code routines , the program calls API functions for system oem modification.)

说明：  PB和C#编写的DLL调用实例，亲测可用(DLL call instances written by PB and C # are available for personal testing)

VC实现的MFC单文档全屏程序!!!VC实现的MFC单文档全屏程序(VC implementation of the MFC single document full screen applications)

系统工具应用源码，例程程序结合易语言扩展界面支持库，调用API函数实现系统部分功能的应用。(System Tools application source code , combined with easy language extensions routine program interface support library , call the API functions to achieve some of the features of the application system .)

这是一部很好的C++学习教材，有助于大家提高C++的学习(This is a very good C++ learning materials.Help us to improve the learning C++)