He and his colleagues are building what they call the world's largest trap for low-energy positrons - a device they say will be able to store more than a trillion antimatter particles at once.

他与同事一道正在建造据称是世界上最大的低能量反电子捕捉设备，这套设备据说能同时储存上万亿个反粒子。

youdao

To detect such a tiny force, the NIST team confined about 60 ultra-cold beryllium ions in a device called a Penning trap, which USES magnetic and electric fields to imprison charged particles.

为了测出如此微小的力，国家标准和技术学会的团队将大约60个超冷铍离子装在一个叫做“潘宁陷阱”的装置中，该装置是利用磁场和电场禁锢带电粒子的。

youdao

A simple automatic device is floating the way open and closed the trap.

一种简单的自动装置是以浮动的方式开启和关闭疏水阀。

youdao