This paper also discusses bit parameter design to improve the economy of PDC bits, such as negative rake Angle and side rotation Angle.

本文还介绍了为提高复合片钻头经济指标的钻头参数设计问题，如负前角，侧旋角等。

youdao

The methods are devoted to determining aerodynamic performances for asymmetrical body with Angle of attack, Angle of side slip and roll Angle.

可用来计算有攻角、侧滑角、滚转角的非对称体的气动特性。

youdao

Measurable parameters include the coordinates of the circle center of the cutter teeth compact and the compact's back rake Angle and side sway Angle.

可测量的位置参数有切削齿复合片的圆心坐标及负前角、侧偏角等。

youdao

But the visitors really should have been level before the hour when Blackman's cross found Danny Kedwell, only for the Dons' top-scorer to side foot over the bar from the angle of the six-yard box.

BBC: Sammy Moore

Click on through for a side-angle conception.

ENGADGET: Sony Ericsson patents cellphone docking station Mobile

Dindane was denied by the legs of Craig Gordon, Jamie O'Hara almost went through on goal and Diop lashed into the side-netting from an acute angle.

BBC: Portsmouth 1-1 Sunderland