记住，e代表元电荷，而非电子所带电荷。

Remember, e represents the elementary charge, not the charge on the electron.

youdao

角色代表元数据，描述业务对象中的哪个属性与属于该关系的其他角色中描述的属性相关联。

The role represents metadata that describes which property in the business object is correlated to the properties described in the others roles that are part of the relationship.

youdao

XMI结合了这三种标准，因而代表了将元数据从一个库传送到另一个库的一种新方法。

By combining these three standards, XMI represents a new way of transferring metadata from one repository to another.

youdao

Remember, e represents the elementary charge, not the charge on the electron.

记住，e代表元电荷，而非电子所带电荷。

麻省理工公开课 - 固态化学导论课程节选