Internal exhaust valve increases down stroke speed.

内部排气阀增加下冲速度。

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The bright return stroke travels upward at around half the speed of light, and is too fast to capture in more than one image.

闪亮的回击以光速的一半速度上行传播，由于它的速度太快，在一张图象中不能捕捉到这一过程。

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Damping Adjust - External beginning stroke rebound, ending stroke rebound, high speed compression, low speed compression.

阻尼调整-中风外部开始反弹，反弹结束行程，高速压缩，低速压缩。

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During the swims, the researchers measured the volunteers' oxygen consumption, rectal temperature, swim speed and angle, and stroke rate and length.

BBC: Cold water increases drowning risk

The device saves all the data from each hit, namely the animation, path, putter-face angle at impact and throughout the stroke, angle of attack, tempo, impact speed and swing path distance -- in other words, more information than most players would know what to do with.

ENGADGET: 3BaysGSA Putt: a Bluetooth golf gadget that puts eyes in your putter (hands on)

Calves swimming in echelon showed a 28% increase in average swim speed and a 19% increase in distance per stroke.

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