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汉语拼音：tiān píng

较精密的衡器，根据杠杆原理制成。杠杆两头有小盘，一头放砝码，一头放要称的物体。杠杆正中的指针停在刻度中央时，砝码的重量就是所称物体的重量。多用于实验室和药房。

1. 衡器。杠杆两头悬以盘，一盘置所称物，一盘置砝码，以称物体。现代天平灵敏度甚高，多用于实验室等。

   元 无名氏 《陈州粜米》第一折：“拿来上天平弹着，少少少，你这银子则十四两。”《儒林外史》第三二回：“而今这银子在这里，拿天平来请少爷当面兑。”

2. 泛指衡量的标准、尺度。

   艾青 《＜艾青诗选＞自序》：“人人心中都有一架衡量语言的天平。”

• Between thee and me, the scale hangs fairly balanced.

  在你和我中间, 那天平是十分平衡的.

• The gas pressure is adjusted so as to balance the beam.

  通过调整气体的压力可以使天平横梁平衡.

• Four types of external balances are in general use.

  通常使用的外式天平有四种.

• I shall see on which side the balance dips.

  我要看看天平往哪一头沉下去.

• Scales and balances are the tools of mass measurementin all laboratories.

  在所有的实验室里测量质量的工具是砝码和天平.

• This pair of scales is not in equilibrium.

  这个天平不平衡.

• Will you weigh it in the balance?

  你用天平称一称好 吗 ?

• As far as balance construction materials are concerned, both aluminum and steel may be used.

  至于制造天平的材料, 既可以用铝也可以用钢.

• The gravity of this downward turn in the balance of safety oppressed my mind.

  安全的天平发生这种一头沉的转变,我心里十分不安.

• As far as internal balances go , there are two basic types: force balances and moment balances.

  关于内式天平, 有两种基本类型; 测力天平和测力矩天平.

• In what way is a laboratory balance different from a balance found in a store?

  实验室的天平与商店里的秤在什么方面有所不同?

• It'should be noted that a balance is not always required in a wind tunnel.

  应该指出,天平对风洞来说并非是绝对必须的.

• The effects of deflections are evaluated during the process of calibrating the balance.

  变形影响是在天平校准的过程中测量的.

• The instrument is professional balance for weighing fluid density.

  该计量仪器为测定液体密度的专用天平.

• The data interface is also electrically connected to the balance housing ( ground ).

  数据接口同样与电子天平壳体 ( 地 ) 连接.