I opened the box and saw a piece of crystal snowflake and a greeting card with "Happy Birthday" in the blank paper.

我打开盒子并看见在白纸中有一片水晶雪花和一张写着“生日快乐”的贺卡。

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I did, and nestled in white paper was a crystal snowflake with a card that said, "Happy Birthday."

我打开盒子，看见半隐半现在白纸中的是一片水晶雪花和一张写著“生日快乐”的贺卡。

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In this paper, we divided the double frequency crystal into numerous small double frequency units and derived the harmonic power and the double frequency efficiency in each unit.

本文中将倍频晶体分割成无数多个小倍频单元，并导出每个倍频单元中的谐波功率与倍频效率。

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Plastic Logic's first commercial application is likely to be as backplanes for liquid-crystal displays or electronic paper.

ECONOMIST: SEMICONDUCTORS: Move over, silicon | The

These electronic pages use less power than liquid crystal displays and also look more like printed paper.

FORBES: Magazine Article

That is because electronic paper does not need backlighting in the way that liquid-crystal displays do (see article) and making beads or capsules change colour does not take much energy.

ECONOMIST: Showing off