IP multicast utilizes a tree delivery structure, on which data packets are duplicated only at fork nodes and are forwarded only once over each link.

IP组播利用树转发结构，只需在组播树的分支处复制数据报文，而且在每条链路上仅转发一次。

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The speech is as powerful for its message — stay hungry, stay foolish — as it is for its structure and delivery.

那次讲话如同它表达的信息一样强有力，保持饥饿、愚蠢，把这些作为它的结构和所传递的。

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The typical structure of the message they send to obtain this information contains a product identification, a quantity and a target delivery date.

为了获得此信息而发送的消息的典型结构包括：产品标识、数量和目标配送日期。

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Triage's delivery structure of the Work Programme does not allow for 'parking'.

BBC: Disabled parking spaces

The troubled budget picture, amidst the demand for better results, is accelerating the adoption of blended learning by forcing school operators to rethink the structure and delivery of education.

FORBES: To Out-Educate, We Must Out-Innovate

Brent Crude even went into backwardation, a market structure in which near-term delivery contracts trade at higher prices than longer-termed contracts on fears that supply will be disrupted for an extended amount of time.

FORBES: Oil Hits $100 In New York As Libya's Violent Uprising Carries On