Multiple attributes in the entity may be combined to form a composite primary key.

实体中的多个属性可以组合成一个复合的主键。

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To avoid outages, multiple key versions are simultaneously supported.

为了避免停机，将同时支持多个密钥版本。

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In particular, it supports multiple primary key fields and exposes some user interface enhancements and a new model for handling and canceling events.

特别是，它支持多个主键字段，公开了一些用户界面的改进功能和一个处理与取消事件的新模型。

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Shares in Biogen Idec dipped 2.7% not only because the Food and Drug Administration said it would take an extra three months to review its key multiple sclerosis drug, BG-12, but because an Abbott Laboratories kidney cancer medicine that in some ways works similarly to BG-12 failed.

FORBES: Biogen Says Its FDA Delay Unrelated To Abbott's Failed Medicine

The technology could be key for transferring data between massively multiple core chips - devices with several linked computing engines.

BBC: Fibre optics