Gears are the basic components in mechanical transmission, and widely be used in vehicles, machine tools, aerospace and other fields.

齿轮作为机械传动的基本元件，广泛应用于车辆、机床、航天等各种领域。

youdao

Building the mechanical models of seat foundation based on the basic principles of mechanics to analyze the deflection of main supporting components for finding the Max deflection point and its value.

应用力学分析基本原理，建立了座椅底架力学模型，对主要承载件进行挠度分析，找出最大挠度点及数值。

youdao

At the most basic level, this relates to how carmakers are eliminating the direct mechanical connections between components and the engine.

BBC: Electric motoring: a quiet revolution