Proximity switches are electrically tripped without physical contact and may be used with certain computer or micro processor controls.

接近开关则是靠电气激发，不需要物理接触，可以用于某些计算机或微处理器控制的应用场合。

youdao

For gas flow at high temperature and high speed in MHD-channel, a method of measuring gas velocity without physical contact is discussed in this paper.

本文以磁流体发电通道中高温高速气流为测量对象，阐述了非接触式测量流速的方法。

youdao

The interact is also an area where we are increasingly exhibiting swarm behaviour, without any physical contact.

互动也是一个领域，我们越来越多地表现出群体行为，但没有任何身体接触。

youdao

"When you read a book, you are in direct contact with the mind of another human being, without the distraction of their physical presence, of their image,of their tics .

VOA: standard.2010.02.09

Those at Belmarsh prison were strip-searched before and after family visits, which were without physical contact.

BBC: UK accused of human rights abuse

"Advanced imaging technology enhances security by safely screening passengers for metallic and non-metallic threats including weapons, explosives and other objects concealed under layers of clothing without physical contact, " Soule said.

CNN: Body scanners not 'magic technology' against terror

Heighway Pinball's solution is to introduce inductive switch technology: solid state sensors beneath the playfield, well out of the way of flying steel balls, which are triggered when a ball passes by without any physical contact.

BBC: Flipping heck: Is pinball about to stage a recovery?