This means that near the north or South Pole you are actually closer to the centre of the earth-where the Angle is being measured from-than you would be at the equator.

这就意味着，如果你身处南极或北极附近，你离地心的距离就比在赤道更近一些——纬度的测量就与地心有关。

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Taper Roller Bearings transfer the loads acting on the bearing at a certain angle, the so called alpha contact angle towards the shafts centre line, (see sketch below).

圆锥滚子轴承的负荷作用于轴承在某一个角度，即所谓的阿尔法对轴中心线的接触角，（参见下图）转移。

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Angular contact ball bearings transfer the loads acting on the bearing at a certain Angle, the so - called "contact" Angle from the shaft centre line (see sketch below).

角接触球轴承，轴承的负荷，在一定的角度，-所谓的“接触”轴心线(参见下图)的角度转移。

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Aim the wave at the centre of the droplet, but at an angle, and the forces generated will cause the droplet to roll.

ECONOMIST: Acoustic microfluidics

Centre-back Antar Yahia settled the contest with a stunning first-half volley at an angle eight yards out from Karim Ziani's punt into the box.

BBC: Yahia sends Algeria to World Cup