A bicycle, also called a cycle or bike, is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. A bicycle rider is called a cyclist, or bicyclist. 自転車は、人力によるペダル駆動…

6 Related fields 関連分野 Software engineering is a direct sub-field of engineering and has an overlap with computer science and management science[citation needed]. It is also considered a part of overall systems engineering. ソフトウェア…