backbone frame

基本解释

The backbone of a wxWidgets program consists of two main objects: the application and a frame object.
wxWidgets 程序的主体包括两种主要的对象：应用程序对象和框架对象。
The tubular backbone is the main loading member of motorcycle frame, which needs reliable strength calculation when designing.
摩托车车架主管是摩托车的主要承载构件，设计时要进行可靠的强度计算。
An air-cooled engine is fixed in a suspended manner to the lower portion on the rear end side of a backbone section of a vehicle body frame.
空冷式发动机以悬吊状态固定在车体框架的骨架部的后端部侧的下部。
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