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beam balance

/biːm ˈbæləns/

翻译: 一种科学仪器,由一根在中心旋转的水平横梁组成,两端悬挂托盘,通过用已知标准砝码平衡未知重量来测量质量。

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phrase

/biːm ˈbæləns/C1formalscientific
  • zh一种科学仪器,由一根在中心旋转的水平横梁组成,两端悬挂托盘,通过用已知标准砝码平衡未知重量来测量质量。

A scientific instrument consisting of a horizontal beam pivoted at its center, with pans suspended from each end, used to measure mass by balancing an unknown weight against known standard weights.

  1. Weighing instrumentB2formal

    A device used to measure mass by balancing an unknown weight against known weights on a horizontal beam.

    zh天平

    • The chemist used a beam balance to measure the powder precisely.
    • In the lab, we calibrated the beam balance before each use.
    • A beam balance works on the principle of moments.