At first, polar scientists watched the planet’s icy pulse with academic interest and justifiable pride in their new observational capabilities.

一开始，极地科学家带着浓厚的学术兴趣观测地球的冰脉，并且因他们使用新的观测工具，而引以为豪。

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At first, polar scientists watched the planet's icy pulse with academic interest and justifiable pride in their new observational capabilities.

起初，极地学家们观测冰层的周期变化时，除了带着学术热情，还饱含着全新观测手段的自豪。

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It's a complex 192-beam system that last year generated a pulse with a megajoule of energy in a few billionths of a second, making it the most powerful laser ever built.

这是一个复杂的系统，可以同时发出192束激光，去年，在十亿分之几秒的时间内，产生了能量达到100万焦耳的激光脉冲，使之成为有史以来能量最强的激光器。

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In the evening, the skies pulse with lightning, but there is nothing yet to relieve the heat.

BBC: Before the storm in Cameroon

She tried to steady her pulse with a deep breath, but the walls of her throat were closing up.

NEWYORKER: The Repatriates

And unlike the bulky Pulse with its ostentatious display, they are practically indistinguishable from normal pens and both come with software that can do a decent job of converting handwriting to text.

ENGADGET: Switched On: More options for getting from scribble to screen