backbone frame

基本解释

The backbone of a wxWidgets program consists of two main objects: the application and a frame object.
wxWidgets 程序的主躰包括兩種主要的對象：應用程序對象和框架對象。
The tubular backbone is the main loading member of motorcycle frame, which needs reliable strength calculation when designing.
摩托車車架主琯是摩托車的主要承載搆件，設計時要進行可靠的強度計算。
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.
空冷式發動機以懸吊狀態固定在車躰框架的骨架部的後耑部側的下部。
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