Silicate matrix has good chemical stability and thermal stability. People have focused a lot of attention on the research and development of silicate phosphor matrix for a long time.

硅酸盐基质具有良好的化学稳定性和热稳定性，长期以来人们都重视对硅酸盐基质荧光粉的研究和开发。

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The biathlon requires great skill to combine the physical demands of skiing and the calm, focused attention needed for shooting at a target.

VOA: special.2010.02.10

Now it's different in important ways because it's really focused at preventing the collapse of the economy that is created by a financial system failure.

现在，这个不同有很重要的意义,因为它真正专注于,阻止被金融系统的失败而引发的,经济的崩溃。

耶鲁公开课 - 金融市场课程节选

I think that NYU is a great school, definitely different mindset, much more liberal arts focused,

我觉得纽约大学是个不错的学校，这里有绝对不同的心态，它更注重于人文科学，

纽约大学 - SpeakingMax英语口语达人

And unfortunately, the federal government and industry have focused a huge percentage of battery research solely on lithium-ion technology.

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We have focused a lot of our attention on long-term sustainability and durability, so that the projects last over time.

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They placed a sample of each in a machine that shook them about, and focused a laser beam on each sample.

ECONOMIST: How tree frogs keep their grip