Bearing contact fatigue failure of the working surface by means of alternating the role of stress arising from failure.

接触疲劳失效系指轴承工作表面受到交变应力的作用而产生失效。

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In the light of the meshing characteristics of herringbone gears, established was a model for load-bearing contact analysis of such gears.

针对人字齿轮啮合特点，建立人字齿承载接触分析的模型。

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The bearing contact Angle and the roller half taper Angle are two important parameters of a large taper conical roller bearing, they influence the load and life of the bearing.

轴承接触角和滚子半圆锥角是影响轴承载荷和使用寿命的两个重要参数。

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There have been almost 40 new communicable diseases identified in the last 30 years, he notes, and more will likely arise as a growing world population brings people in closer contact with each other and disease-bearing animals.

FORBES: Magazine Article

Think about what this advancement has meant just in terms of access to the resources: When drilling into a hydrocarbon bearing formation 100 feet thick, vertical drilling would allow an operator to contact 100 feet of rock, which would limit your potential recovery to whatever oil or gas would flow into that length of pipe.

FORBES: Horizontal Drilling: A Technological Marvel Ignored