阶层，阶级：一种社会层次，其成员有共同的经济、社会或文化特征。
A social stratum whose members share certain economic, social, or cultural characteristics.
这是一个社会问题，尽管它比人们可能意识到的层次更深。
It is a social problem, though a more deep-seated social problem than people perhaps realize.
社会系统是个关系系统，深层次上更是一个意义与价值的系统。
Social system is no more an relationship system than meaning and value system.
专科为主已不再满足社会需要，必须加大本科层次；
Three year college education system can not longer meet social demands.
老年人的社会价值具有实践性和层次性的特征。
Social value of the aged has the character with practicalness and stratification.
两大层次：将来美好进步社会时空层次；
Two levels: in the future a better level of progress in social space;
空间可以分为物理空间和社会空间两个层次。
企业要根据自身的状况确定所处的社会责任层次。
企业要根据自身的状况确定所处的社会责任层次。
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