Difference, esp. of rank, station, size, number, etc.

不平等；不同；不等；不均(指阶级、地位、大小、数目等而言)。

Unevenness, as in surface; changeableness of condition.

不平坦；易变；不规则。

Expression of the relation between unequal quantities.

【数】不等(式)。