它们在个人和基于非个人关系的较大的“二级”机构之间形成了一个中间的社会层次。
They form an intermediate social level between the individual and larger "secondary" institutions based on impersonal relationships.
每个层都具有二级对象层，这些对象层按照层次结构、面向对象或关系顺序排列。
Each layer may have secondary layers of objects arranged in a hierarchical, object-oriented, or relational order.
二级市场与一级市场间的关系也扑朔迷离。
Nor is the relationship between secondary and primary prices straightforward.
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