Whispering gallery modes in silica microspheres are excited by a tunable continuous-wave laser through the fiber taper. Ringing phenomenon can be observed with high frequency sweeping speed.
我们利用连续可调谐激光激发了二氧化硅微球腔内的回廊耳语模式，并观察到了微球腔内的振铃现象。
A single wingtip feather, he found, moved a fraction of an inch, gives a smooth sweeping curve at tremendous speed.
他发现，把翼消的一根羽毛转动那么一丝丝，就可以在高速下平平稳稳地来个急转弯。
The scenery makes people feel that the overwhelming and sweeping momentum is so irresistible. The sight is interweaved with speed, strength, and momentum.
使人感到排山倒海，势不可挡，这种情景成为一种速度、力量与气势的交织融合。
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