Surface roughness of transparency material is measured by means of light-cutting method and phase-contrast method.

运用光切法和相衬法对透明材料表面粗糙度进行测量。

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My husband decided to install a light switch in our master bedroom. Cutting into the wall, he discovered a stash of bottles and boxes.

老公要在我们的主浴室里装一个电灯开关，在墙上凿了个洞之后，他发现了一堆隐藏的瓶瓶鑵鑵。

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Tweetwhatyouspend is invaluable for anyone who wants to start cutting back costs because it shines a light on what you're spending the most money on and helps you figure out where you can make cuts.

Tweet whatyouspend对那些想要开始削减开支的人是非常宝贵的，因为它揭露你在什么上花费最多，并帮助你找出哪些地方是可以削减的。

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The jute mills are gone but Dundee West remains a hive of industrial and academic activity with a mixture of light engineering and cutting-edge research technology.

BBC: NEWS | VOTE 2003

Leading scientists, artists, academics and public policy makers will share their experiences and ideas on how light can change the world from revolutionising medicine using cutting-edge technologies and bringing light to communities without electricity, to transforming the places we live with amazing art installations and ground-breaking building design.

UNESCO: ��Light, Art, the Universe and Everything��

In this transaction we will acquire rights to the Star Wars and Indiana Jones franchises, a highly talented and expert team, Lucasfilm's best-in-class post production businesses, Industrial Light and Magic and Skywalker Sound, and a suite of cutting edge entertainment technologies.

ENGADGET: Disney acquires Lucasfilm for $4.05 billion, plans more Star Wars movies