Another important use of telecommunication satellites was demonstrated in 1974 when the "Teacher in Sky" satellite transmitted educational programs to classes in remote areas of the United States.
1974年,美国“空中教师”卫星把教育节目传送到了偏远地区的教室,这说明了通信卫星的另一个重要用途。
Using the encapsulation, inheritance and polymorphism of OOP, a foundation class library of small satellite software is designed, the detail design of all base classes is introduced.
利用OOP的封装性、继承性和多态性,设计小卫星软件的基本类库,介绍各个基本类的具体设计思想。
Using the encapsulation, inheritance and polymorphism of OOP, a foundation class library of small satellite software is designed, the detail design of all base classes is introduced.
利用OOP的封装性、继承性和多态性,设计小卫星软件的基本类库,介绍各个基本类的具体设计思想。
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