In distributed measurement and control system with bus structure, master slave communication may be replaced by race communication, when real time and burst are needed.

在总线结构的分布式测控系统中，当系统实时性要求较高、突发性较强时，主从通信方式往往不能适应需要，而需要采用竞争式通信。

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While Williams claimed it was providing an 18% premium over the original bidding price, Energy Transfer returned the punch, highlighting the advantages of its MLP (master limited partnership) structure. (Read Energy Transfer Buys Southern Union: The Beauty Of Nat Gas MLPs).

FORBES: Southern Union Saga: Energy Transfer Disses Williams' Offer

The ETN structure is also a boon for investments in master limited partnerships, or MLPs.

WSJ: ETNs Take Off but Have Far to Go

Kinder and Morgan set their firm up as a master limited partnership, an obscure structure that had one key advantage: no corporate income taxes.

FORBES: Kinder Morgan To Buy El Paso In $21B Wager On Natural Gas