例如，雕塑必须是稳定的，这就需要理解质量、重量分布和压力的特性。

Sculptures must, for example, be stable, which requires an understanding of the properties of mass, weight distribution, and stress.

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这涉及改变产品质量、特性或风格，以吸引新用户，或提升现有用户的使用率。

It involves changing product quality, features, or style to attract new users or more usage from present users.

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电视的能源特性视画面质量的不同而各有不同。

The energy characteristics of TVs can vary as much as picture quality.

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Mendeleev is the one who taught us that the properties of the elements are a function of the atomic mass.

门捷列夫教授我们元素特性,是元素质量所起的功能。

麻省理工公开课 - 固态化学导论课程节选

We have a table of the elements with properties varying periodically with atomic mass, so we compress all of that information and refer to it as the Periodic Table.

我们有一个元素表，其中的元素的特性,随着原子质量的改变而引起周期性的变化，所以我们将所有的信息精简,将它变成一个周期表。

麻省理工公开课 - 固态化学导论课程节选

Atoms of different elements have different weights and different chemical properties.

不同元素的原子的质量不同,化学特性也不相同。

麻省理工公开课 - 固态化学导论课程节选