Selection of the primary and secondary airflow rate, the guide Angle of the blade, the primary air ratio as well as the material for manufacture of the burner nozzle are given.

然后介绍了一、二次风速，旋流叶片的导角，一次空气比例系数等参数的选择及制造烧嘴的材料。

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This article from the Angle of experts, puts forward the prevention measures to guide female friends self preservation, refused to erosion.

本文从专家的角度提出预防措施，希望能引导女性朋友自我保鲜，拒绝糜烂。

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On the basic of former engine, the angle variable partial program of the fan and compressor guide vane of engine mathematical model is been renewed.

在原发动机模型的基础上，补充编制了发动机数学模型的风扇和压气机导叶角度可调的部分程序；

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Heavy make-up or a mask will also work, as will tilting your head at a 15-degree angle, which fools the software into thinking you do not have a face, according to an online guide produced by hacktivist group Anonymous.

BBC: 'Privacy visor blocks facial recognition software'