downstroke是什么意思   downstroke怎么读

downstroke单词基本解析：

downstroke变化用词：

downstroke英英释义：

1. a stroke normally made in a downward direction

名词 downstroke:

a stroke normally made in a downward direction

downstroke中文词源：

downstroke用法和例句：

Sporting a powerful but eccentric downstroke, Guldahl won three major championships as many years.

动作古怪地挥出了有力一杆后, 古德赫取得了三大重要赛事的连胜,而且好几年都赢了大满贯.

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downstroke

The flow fields are different for the three phase motion patterns and there are two types of leading-edge vortex motion at an earlier stage of upstroke or downstroke.

三种相位下的涡流场形态各有不同，上挥（下拍）初期前缘涡的运动主要存在两种形态。

HHO on the upstroke, not downstroke.

主题： Wow, are physicists ever stupid.

So, when a bird banks right, its left wing moves faster on the downstroke while the right is faster on the upstroke, which slows the animal’s rotation.

因此，当鸟儿向右侧倾斜飞行时候，它的左翼向下拍打的速度要比右翼向上拍打的速度快一些，这样就可以使旋转减速。

According to the calculating equations of the friction load on the rod string on the upstroke and downstroke, the friction load increases remarkably with the increa...

孤东油田八区部分见聚油井摩擦载荷的计算值与实测值的实例对比表明,二者的数值差距很小,表明计算方法可行。

A helical buckling of pumping rods has taken place in the course of downstroke of pumping.

认为抽油杆在下行冲程中可能因失稳而在有限空间内发生螺旋状弯曲。

Both the upstroke and downstroke of this pump push air into your balloons, making for smooth, nearly effortless inflation.

这个泵浦向上的一击和向下的一击推挤空气入您的气球, 做为光滑, 几乎不出力的通货膨胀。

Then, with a powerful downstroke, they dive back into the depths of the sea, leaving just a smooth glassy patch of water or "footprint" on the surface to indicate where they had been.

随后，它们又一猛子扎入深邃的大海，将一片光滑晶莹的细浪或者说"足迹"留在海面，表示它们曾到此一游。