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。
It's made possible by a precise instrument called an optical force transducer that gives more precise readings than that used by other teams.
光学读数分析天平是实验室最常用的仪器之一，是进行精密、准确称量的不可缺少的工具。
Optically analytical balance in laboratory is one of the most common instruments, and is an essential tool on measuring weight precisely and sensitively.
光学读数分析天平是实验室最常用的仪器之一，是进行精密、准确称量的不可缺少的工具。
Optically analytical balance in laboratory is one of the most common instruments, and is an essential tool on measuring weight precisely and sensitively.
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