当然,还是棒球选手更了解现实情况,他们用特殊的抛球方式减小空气阻力,他们使球在飞行时带自转,这些公式就无法应用了。
Of course, in reality, the baseball player knows better They give effect to the ball, they deal with air drag they spin the ball, and then these equations are not valid.
这个变革的取得并没有碰到太大的阻力,大多数的男人还是很欢迎女性加入到他们的工作之中的,然而,在这之中即使最积极的改变也是不完善和不尽人意的,这中特殊的进步伴随着两种情况:第一,在公司的高层中,女性依然只是绝少数。
This revolution has been achieved with only a modicum of friction (see article). Men have, by and large, welcomed women’s invasion of the workplace.
特殊角度强化刀头设计,强化刃部保护,并将粉末快速导入螺旋沟槽,减少阻力,提高进孔速度。
Special Angle strengthened bit design intensifying blade protection and quickly leading powder into screw groove, which reduce resistance and improve in-aperture speed.
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