为了测出如此微小的力,国家标准和技术学会的团队将大约60个超冷铍离子装在一个叫做“潘宁陷阱”的装置中,该装置是利用磁场和电场禁锢带电粒子的。
To detect such a tiny force, the NIST team confined about 60 ultra-cold beryllium ions in a device called a Penning trap, which USES magnetic and electric fields to imprison charged particles.
在这样的规定下,学生仍有一些自由,他们学会如何提高自律能力和与新技术共处。
Under such a rule, students still have some freedom, and they learn how to improve self-discipline and live with new technologies.
工程学会认真考察了自动化技术迅速扩展的两个领域:自控运输和老年人家用自助系统。
The academy looked at two areas of the technology that are expanding fast: autonomous transport and automated help around the home for the elderly.
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