A group of physicists in Spain has shown how to make a quantum measurement that overcomes a limit related to Werner Heisenberg's uncertainty principle.

西班牙的一组物理学家目前对如何做到克服海森堡不确定性原理造成的限制而进行量子测量这一点进行了演示。

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The principle, structure, measurement limit and analyze of uncertainty of the constant pressure gas flowmeter, which was the key component of gas flow standard apparatus, were considered emphatically.

着重考虑了作为气体微流量标准装置核心的恒压式气体微流量计的原理、结构、下限因素和不确定度等基本问题。

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The produce, general principle of evaluation and expression of uncertainty of measurement are introduced.

介绍测量不确定度的产生及其评定和表述的一般原则。

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That is the limit imposed by Heisenberg's famous uncertainty principle (which states that the precision of a time measurement is limited by the precision of a corresponding energy measurement).

ECONOMIST: Small-scale physics