The conventional tail must be at a negative Angle of attack, and the canard tail at a positive Angle.

通常的尾翼必须处于负迎角，而鸭式尾翼则为正迎角。

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This method has some value in solving the problem of option of the planet gear wheel system of positive Angle change position drive.

该优化方法的处理，对解决正角变位传动行星轮系的优化问题，有一定价值。

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Learning to savor life's joys, be grateful, and look at seemingly negative events from a positive Angle, he says, can set the stage for a pregnancy immune to the hazards of stress.

他说，学会享受生活中的乐趣、心怀感激、从积极的角度看待负面事件，这些能够为快乐怀孕奠定基础。

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The independent newspaper, Nezavisimaya Gazeta looks for a positive angle on what may yet prove to be a human disaster.

BBC: Russian media asks 'What happened?'

They had rested a number of key players but while the papers might have hinted such competition was not ideal preparation for the second Test, I look at it from a more positive angle.

BBC: SPORT | Cricket | First win provides timely boost

It can mean that of course, but: a bullish investor who can make a case for a positive future catalyst could also take the contrarian angle and recognize that there is lots of room for upside since the stock is presently so out of favor.

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