It's made possible by a precise instrument called an optical force transducer that gives more precise readings than that used by other teams.

利用一种光学力传感器的精密仪器使测量收缩里成为可能，给出一些较其他研究小组更精密的读数。

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Doppler log is a precise instrument, which is used to measure ship velocity and calculate its voyage on the theory of Doppler Effect of sound wave in water.

多普勒计程仪是根据声波在水中的多普勒效应原理而制成的一种精密的测速和计算航程的仪器，它是船用导航设备的重要组成之一。

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It is a highly precise instrument and the principle of operation is based on heat flux between the sample and the reference.

它是一个非常精密的仪器，其工作原理是以样本和参考之间的热流量为基础。

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The researchers say identifying chemicals rather than electrical impulses will make for a more selective, precise instrument.

BBC: News