Is each General System Characteristics within 1 point of the average GSC.. For example, if a particular GSC was rated as 2.0 then the GSC would have to be either be 1, 2 or 3.

• 是否每个通用系统特性都在平均GSC的一个点内。比如，假如一个特定的GSC被定级为2.；0，则该GSC必须是1；2或3。