This model is never an exact representation of reality, since modeling errors are inevitable.

模型不是一个准确的实体表现，模型的误差是不可避免的。

youdao

You mention that you want an exact representation of a float with respect to the number of decimals.

你说你想要一个相对于小数精确表示数浮。

youdao

Hence, even though the exact representation of a message is different in the two technologies, the code required to access the message content is similar.

因此，尽管消息的准确表示形式在两种技术中不同，但是访问消息内容所需的代码类似。

youdao