The capacitance formulae of a long cylindrical surface sensor with a gap are discussed by solving electric potential Lapalace's equation of the sensor.

通过求解带缝的长直圆柱面电容器中的电势的拉普拉斯方程，讨论该电容器的电容计算公式。

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The MH-60R collects and processes voice, video, radar and acoustic sensor data to alert the Navy vessels it supports of undersea or surface movements and threats.

该MH-60R还将收集和处理语音，视频，雷达和声学传感器的数据，提醒海底或海面海军船只的运动情况和所面临的威胁。

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The oil slick appeared as a tangle of dull gray on the ocean surface, made visible to the satellite sensor by the sun's reflection on the ocean surface.

浮油区在海面上呈现为一团暗灰色，因为海面对太阳光的反射才使卫星传感器能够发现它。

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An optical mouse uses a beam of light and an optical sensor to detect movement over a surface -- there are no moving parts.

CNN: Review: Apple Pro Mouse

However, there are problems with longer-term use, as the skin constantly produces new cells, while those at the surface die and are brushed off, meaning a new sensor would need to be attached at least every fortnight.

BBC: Health

This microscopic scale and sensitivity allows the sensor to map a high-resolution image of electrical charge that occurs over the surface of a source material (for example a human finger), when it makes contact with a thin insulating surface (ie a plastic surface).

FORBES: Can Forensic Scientists Tell How Old A Fingerprint Is?