Pitch controller: to maximize lift as the wind speed changes, a controller can automatically rotate each blade anywhere from a fraction of a degree to multiple degrees per second.

间距控制：为了最大限度地根据风速变化提升发电效率，新型风力发电机上的控制器每秒钟都能够对每一片风叶进行任何角度的调整。

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To get finer shots from a swaying helicopter Segal modified his 360-degree panoramic cameras to spin two revolutions per second, creating a gyro effect whose centripetal force stabilizes the lens.

FORBES: Eye in the Sky

The two spacecraft were travelling at a velocity of 1.7km per second and came in at very shallow angles of a degree-and-a-half.

BBC: Nasa reveals new information about moon probes crash sites

The Leap Motion controller has a 150-degree field of view, and tracks individual hands and all 10 fingers at up to 290 frames per second.

ENGADGET: Leap Motion goes retail: motion controller to be sold exclusively at Best Buy