Cantilever beam holding object is controlled through changing direction of voltage applied. When the voltage is zero, release the object.

改变加电压方向控制悬臂梁夹持物体，电压为零时释放物体。

youdao

Still, they were just as capable of firing a tractor beam at your brain and holding you in front of the television set as Portal or BioShock.

至今为止，这些游戏的魅力丝毫不亚于现在的热门大作“入口”或“生化骑兵”，它们像是对你发射了牵引波束一样牢牢的把你吸在电视机前。

youdao

Michael tells Pope that if he left now, the support beam he's holding would give in and the whole model would collapse. Michael says he has to stay and hold it in place until the glue dries.

Michael告诉狱长如果他现在离开，模型的支撑梁支持不住，整个模型会垮的。

youdao

Initial investigations from structural engineer Arup revealed that one of the two bolts holding the beam that swung loose was missing, while the other was fractured during the incident 10 days ago.

BBC: The Holyrood beam problem is still being investigated