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汉语拼音：shì néng

也叫位能。物质系统因各物体之间（或物体各部分之间）存在相互作用而具有的能量。物体被举高或发生弹性形变就具有势能。如利用水的落差发电和发条做功的能量都是势能。

1. 由物体所处的位置或弹性形变而具有的能。如水的落差和发条作功的能力都是势能。

• There exist many sources of energy both potential and kinetic.

  存在着许多势能和动能的能源.

• What are the maximum potential energy and the total energy?

  最大势能和总能量是 多少 ?

• We can therefore say that the system has internal potential energy.

  因此,我们可以说,该系统有内势能.

• It is the distance between atoms corresponding to zero potential energy.

  这就是相应于势能为零时的原子间距.

• The air flows down to a shaft and thus loses potential energy.

  空气向下进入竖井,因而失去势能.

• Potential energy is convertible to kinetic energy.

  势能可转化为动能.

• Equation expresses the principle of minimum potential energy.

  方程表示出最小势能原理.

• The potential energy is energy the system possesses by virtue of its configuration.

  势能是体系由于它的相对位置而具有的能.

• In other words, the electric energy helps to explain the cohesion of the crystal.

  换句话说, 电势能有助于解释该晶体的结合力.

• A central force is one derived from a potential - energy function that is spherically symmetric.

  中心力是由球对称的势能函数而来的力.

• Wettability is the potential of a surface to interact with liquids with specified characteristics.

  润湿性则是表面同特定性能的液体,相互作用的势能.

• We seem to be considering chemical bonding solely in terms of potential energy.

  我们似乎只用势能来考虑化学成键.

• The available potential energy has been computed by reference to a statically stable reference state.

  可用势能是以“静力稳定”参考状态为基准计算的.

• Wettability is the potential of a surface to interact with liquids wids specified characteristics.

  润湿性则是固体表面同特定性能的液体,相互作用的势能.

• Electric potential is the potential energy of electrons at a certain point.

  电势表示的是电子在某点的势能.