Sometimes primary group relationships evolve out of secondary group relationships.

有时主要的群体关系从次要的群体关系演变而来。

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A secondary group entails two or more people who are involved in an impersonal relationship and have come together for a specific, practical purpose.

第二群体指的是两个或两个以上的人，他们处于一种非个人的关系中，因一个特定的、实际的目的走到一起。

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Secondary group UUIDs: The UUIDs of all the groups to which this principal belongs in the same cell.

辅助组 UUID：同一单元中此主体所属的所有组的 UUID。

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By introduction a banding system in Wales, the government intends to group secondary and primary schools into bands reflecting their outcomes and progress.

BBC: Statement on the School Standards Unit

To enable the Health Care Financing Administration to determine when Medicare should be the secondary payer after employer group health insurance.

WHITEHOUSE: Matching Programs Conducted in 1994 and 1995

Imagine a group of students from a secondary school discussing climate change.

UNESCO: L'��ducation au service du d��veloppement durabe - 'Sydsvenska Dagblad' (Su��de) | Organisation des Nations Unies pour l'��ducation, la science et la culture