他们设计的装置看起来像一个按比例放大的声学斗篷：一些环绕在被保护物体周围的同心圆。
Their proposed device would look like a scaled-up acoustic cloak: concentric circles of posts surrounding a hidden object.
接受植入装置的患者患更高比例的中风：5%比1%。
Patients who had the device implanted suffered higher rates of stroke: 5 percent vs. 1 percent.
波登管的压力比例塑性变形通过摩擦力很小的机械装置传递给刃形指针。
The pressure proportional elastic deformation of this bourdon tube is transmitted through a low friction movement to the knife edge pointer.
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