More than 100 years since those pioneering experiments, researchers at Maastricht University Medical Center flipped the switch on Hoffmans's still-functional machine.

在这项开拓性的实验后，时间又过了一百多年，马斯特里赫特大学医学中心的研究人员准备使用Hoffmans的设备再照一张X光片。

youdao

Optical switch is an important functional device in optical fibre communication networks, MEMS optical switch is one of the most promiseful optical switches.

光开关是光通信网络的重要功能器件，MEMS光开关是最具发展前景的光开关之一。

youdao

Because the three switches in an alarm switch are in different states, the entire device is in three different functional pre-warning states.

由于报警开关中三个开关分别处于不同状态，因而使整个装置处于三种不同功能预警状态。

youdao