bond strength 即化学键的强弱。 有多种描述键强度的物理量如键能、键离解能以及键级等等。 键能是化学键形成所放出的能量或化学键断裂时所吸收的能量，它隐含着不同分子中同一类型的化学键的键能相同的假定。 而键离解能是断裂一个指定的化学键所需要的能量。 除双原子分子外，键离解能不同于键能。
键强度
双语例句原声例句
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粘接的结果增强了交联键强度，而降低了在压力、拉力和剪切力作用下，比较容易分离的现象。
This results in a much stronger bond that lasts longer and is much less susceptible to separation under compressive, tensile and shear forces.
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从结合能、C O键长、轨道布居、态密度等方面比较了C与金属成键强度及CO分子被活化程度。
The chemisorption properties, including the length of CO bond, orbital population and density of states, are computed and analyzed respectively.
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这个属性不影响排序键的长度，除非还增加了强度级。
Sort key length will not be affected unless the strength level is also increased.
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So, there's actually another way to graph it where we can directly graph the dissociation energy or the bond strengths.
其实，还有另外一种画这个曲线的方式,可以直接画出离解能的大小,或者键的强度。
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So what we can actually directly compare is the dissociation energy or the bond strength of nitrogen versus hydrogen.
因此实际上我们可以直接进行比较,对氮分子与氢分子的离解能,或键的强度。
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And when we talk about covalent bonds, there's 2 properties that we'll mostly focus on, and that's going to be thinking about the bond strength or the energy by which it stabilized when it bonds.
而当我们讨论共价键的时候，有两点特性是我们最关注的，那就是键的强度,或者说成键之后能量降低了多少。
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