如果不考虑它们究竟是作为物理系统还是作为某一个组成部分的话，它们共有着一些通用的物理属性，比如重量、长度、宽度、高度等等。

Regardless of whether we consider the physical systems themselves or their individual constituent parts, they share some common physical properties, such as weight, length, width, height, etc.

youdao

消息属性的长度限值是 100 MB，其中不包括每个消息的消息描述符或扩展。

There is a length limit of 100 MB for message properties, excluding the message descriptor or extension for each message.

youdao

这个属性对排序键的长度没有显著影响。

There is no significant effect on length of the sort keys.

youdao