它使用中空的激光波束移动微小的玻璃粒子。
It works by shining a hollow laser beam around small glass particles, as Inside Science explains.
这种激光波的另一个优点是具有更高的效率和更强的能量。
Another bonus is that such lasers are becoming more efficient and ever more powerful.
在这次测试中，机载的计量器在激光波束离开飞机时捕捉到了它。
During that test, an onboard calorimeter captured the laser beam before it left the aircraft.
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