The tracking from two or more sensors will enable precise calculation of a stereo, 3-d track of the missile's flight path, enabling appropriate defensive actions.

由两个或多个传感器进行跟踪将获得立体精确计算，三维跟踪导弹的飞行路径，采取适当的防御措施。

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Anderson cited three next-generation technologies that were still on the fast track for exponential growth: optical interconnects, 3-d chips and accelerator-based processing.

Anderson列举了3个有可能继续保持指数型增长的下一代技术领域：光互联，3d芯片技术，基于硬件加速的处理器。

youdao

To track something, start your request with 'd particls.'

首先要以d particls开头发出请求。

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I was an undergraduate here in 1995 as a freshman, I came in thinking I was going to major in government and sure enough I started off on the track; I'd like history, I'd like government, English, these kinds of things in high school.

995年我作为本科新生进入哈佛，我刚来的时候想主修政治,后来我就沿着这条路走了下去，我喜欢历史，政治和英语，就像高中的时候一样。

哈佛公开课 - 计算机科学课程节选

Before long, users were lost in a sea of their own passwords, and inevitably they'd lose track of them.

FORBES: Escaping Password Purgatory

"Red Bird" is Arborea's most accessible and traditional track (it'd fit well on any Gillian Welch CD), while "Black Mountain Road" is one of its more experimental.

NPR: Arborea: 'Black Mountain Road'

Based on Samsung's hacker-friendly track record, you'd generally expect one of it smartphones to come with an unlocked bootloader, making it easy to update or tweak with unofficial ROMs. That's not the case with Verizon's imminent version of the Galaxy S III, however.

ENGADGET: Verizon Galaxy S III has locked bootloader (but it's been rooted anyway)