For decades, scientists have pumped electricity into piezoelectric materials for use in environmental sensors, speakers and other devices.

几十年以来，科学家们已经能够将电能灌入压电材料，以用于环境传感器、扬声器与其他设备。

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Now, however, aided with new materials and advanced sensors, a promising and eclectic array of alternative and often ingenious new forms of armour is emerging.

然而，现在辅以新材料和先进传感器，有前途的博取替代品之长并且有独创性的新装甲形态正在形成。

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Sensors can analyse the surface of materials and, using the amount of resistance they show, work out the force to apply to an object.

传感器可以分析材料的表面，利用其会产生的阻力来决定自己所用力道。

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In mid-April,Kenya signed a deal, which will allow the United States to install radiation sensors and other equipment at its busy Mombasa seaport to detect any nuclear or radiological materials that could be smuggled in to be used in a weapon.

VOA: standard.2009.05.01

In addition to testing new high-tech materials and sensors for future spaceflight, why was this jump so important?

FORBES: Stairway to Heaven: Another "Giant Leap" for Mankind

They were built of substances meant to mimic biological materials and had radiation sensors embedded throughout the torso.

WSJ: Scientists Find Safer Ways to Test Medical Procedures

Sensors can analyse the surface of materials and, using the amount of resistance they show, work out the force to apply to an object.

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