And that allows the whole beam to be manipulated .

这样一来就可以操纵整束激光了。

Backscatter scanners work by shooting a beam of x-rays at a subject .

后向散射扫描仪通过用一束x射线射到物体上来工作。

The technology works by focusing sound into a narrow beam , just like light .

这项技术的原理是将声音压缩成类似于光的窄束。

They sent a laser beam past a spherical electrode toward an oppositely charged flat electrode .

他们让一束激光穿过一个球形电极打向一个极性相反的平板电极。

One person cried as the beam made it through a further section of the tunnel .

某人在质子束通过隧道的一个较远的区域时，高声喊道。