The design of optical thin films also faces a severe challenge. Not only so many requests on spectrum are brought up, but also the layer number of optical thin film will be larger.

不仅对光学薄膜的光谱特性提出各种不同的要求，而且所需要的膜系层数日益增大，设计要求超出传统的解析设计所具备的能力。

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The emergent layer contains a small number of very tall trees.

露生层包含少量非常高大的树木。

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Scientists have discovered that a growing number of whales are suffering from sunburn - and that the hole in the ozone layer could be to blame.

科学家发现，越来越多的鲸鱼被晒伤，而臭氧层空洞则可能是幕后元凶。

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Another application of the game layer in the world of education is already in use at a number of schools, including Princeton University (Priebatsch attended Princeton for a year, and then dropped out).

FORBES: Seth Priebatsch Teaches The Game Of Life

To increase the number of minorities in its student body, UT added a second layer to the Top Ten Percent Law at its flagship campus in Austin eight years later.

FORBES: What Will The Supreme Court Do With Affirmative Action?

In the short term, this abundance of round-number puts could translate into an added layer of options-related support for XOM.

FORBES: Let Exxon Haters Hate, Buy These Call Options To Ride The Stock Higher