The role of JNDI in J2EE is to be the "switchboard" -- a generic mechanism for J2EE components to find other components, resources, or services indirectly at run time.

JNDI 在 J2EE 中的角色就是“交换机” —— J2EE 组件在运行时间接地查找其他组件、资源或服务的通用机制。

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Grace Miller and Theresa Vincent staff the PBX, or private-branch exchange, switchboard at the Southern California Air Pollution District office in 1959.

1959年，南加利福尼亚空气污染地区办公室专用分组交换机的接线员格雷斯·米勒（Grace Miller）和特瑞莎·文森特（Theresa Vincent）位于接线总机旁边。

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The first switchboard processes the received digit, and plays the DTMF tone or triggering service on network.

第一交换台随后对该接收的数字执行操作，诸如向网络播放DTMF单音 或触发业务。

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Call or otherwise contact the Senate office or the Congressional House of Representatives by going to Washington Capitol switchboard at (202) 224-3121.

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It would cost too much for executives to pull together skilled workers each morning, or to find an appropriate factory floor, or to transact regularly with someone to answer calls at the switchboard.

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