接下来，UnitsConverter也是一个单例模式，因为它是使用object关键词定义的。

Next, UnitsConverter is also a singleton as it is defined using the object keyword.

youdao

接下来，UnitsConverter也是一个单例模式，因为它是使用object关键词定义的。

Next, UnitsConverter is also a singleton as it is defined using the object keyword.

youdao