Syria has long had a single-party system led by the Ba'ath party of the Assad family.

VOA: special.2011.08.06

So the system will not be described by a single state variable during the path.

因此系统将不能被,路径上的单一状态变量描述。

麻省理工公开课 - 热力学与动力学课程节选

A patterned series of these tiny charged berries on the disk represents a single bit of data in the binary number system used by computers.

这些在磁盘上的有序的小粒子,代表这个当代计算机中,二进制中单独的一位。

哈佛公开课 - 计算机科学课程节选