汉语词典HAOZIDIAN.NET

Outside, snow continued to fall quietly through the darkness, as bright and thick as static in the cones of light cast by the streetlights.

That, in turn, bounces the light down in a concentrated beam about a metre (3ft) wide to produce heat and drive generators.

To see such effects, physicists first have to suck out every possible quantum and leave a beam in its least-energetic "ground state. "

So, you know, you're sending a laser beam, and you want to know what part of your beam is going to be in your given solid.

Its soft beams push aside the curtains at night. I don't even have to see it -- a cool blue energy falls across my bed and I am up.

The laser altimeter will bounce beams of light off of the surface to measure the heights of mountains and depths of valleys.

When the last moment, from its body mirrored by the beam, thin and weak quarter final follow to complete and silence of the dark.

The scanning spot is generated by a wavelength change is translated into a displacement of the beam by a pair of gratings.

Liu Qing walk alone, looks hazy days revealed little pale beam. He bowed his head again, what do not want to think about.