美国国家标准技术研究所(NIST)最近公布了数千张有关2001年世贸中心倒塌的照片,有些是前所未见的。
The National Institute of Standards and Technology (NIST) has recently released thousands of photos, some never-before-seen, of the collapse of the World Trade Center in 2001.
美国国家标准技术研究所的研究人员正在开发一种镱原子钟,这种原子钟可能比铯原子钟更好。目前的时间标准是由铯原子钟确定的。
National Institute of Standards and Technology researchers are developing atomic clocks based on the element ytterbium that could outclass cesium atomic clocks, which currently set the standard.
根据美国国家标准及技术研究所的数据,面部识别程序通过照片识别人脸的错误率已经从1993年的79%降到了去年的0.29%。
According to the National Institutes of Standards and Technology the proportion of photographs which were wrongly identified by such programmes has declined from 79% in 1993 to just 0.29% last year.
美国国家标准和技术研究所对判别指纹生物测量模板互操作合法性的测试进行指导。
The National Institute of Standards and Technology conducted testing to validate the interoperability of fingerprint biometric templates.
在科罗拉多州园石的国家标准与技术研究所的James Chin -Wen Chou,带领了一个研究团队,用原子时钟显示了在更为常见尺度范围内相对论对时间的影响。
Of the National Institute of Standards and Technology in Boulder, Colorado, led a team that used atomic clocks to show the effects of relativity at more familiar scales.
美国国家标准与技术研究所的研究者认为,原子的构造远远比电子复杂,其复杂程度超出我们想象,我们现在认为前景光明的自旋电子学其实只不过触到了原子学的皮毛而已。
Whole atoms, the NIST researchers say, are so much more complex than electrons that the promising possibilities of spintronics only scratch the surface of what's potentially possible.
“激光脉冲轻拍壳层产生了像铃声一样声音”,国家标准和技术研究所的物理学家Till Rosenband说,现有的量子逻辑时钟是由他开发的。
"With a laser pulse, you can tap that shell and make it ring like a bell," said physicist Till Rosenband of NIST, who built the existing quantum-logic clock.
“激光脉冲轻拍壳层产生了像铃声一样声音”,国家标准和技术研究所的物理学家Till Rosenband说,现有的量子逻辑时钟是由他开发的。
"With a laser pulse, you can tap that shell and make it ring like a bell," said physicist Till Rosenband of NIST, who built the existing quantum-logic clock.
应用推荐