S-MAC agreement combines benefits of fixed and random competition category of MAC agreement, Its main basises ars energy efficiency and expansion.

MAC协议综合了固定分配类和随机竞争类MAC协议的优点，以节能和可扩展性为主要目标而进行设计的。

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Based on the random variation of cavity length, characteristics of the medium index and mode competition effect, low-frequency beat and noise continuums are explained.

根据腔长的随机变化、介质色散特性和模竞争效应解释了低频拍和连续噪声谱。

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Those behaviors can be explained with the competition of the different energies, including the random anisotropy, exchange and dipolar energies.

模拟结果能够利用不同能量（无规各向异性能，偶极相互作用能和交换相互作用能）之间的竞争作用来解释。

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Eccles also noted that daily fantasy sports subtract a component of luck from the competition by taking out the random occurrence of injuries.

FORBES: Daily Fantasy Sports Games Defend Legality Of Their Services

Once again, a self-published author has bested the competition from the likes of Penguin, Random House, Amazon, Macmillan and many other major players to climb atop the ebook best-seller list.

FORBES: Meet the Latest Self-Publishing Sensation, Rachel Van Dyken

Prizes unclaimed after 28 days will be deemed to have been forfeited and the BBC reserves the right to either offer the prize to the entrant whose name is next drawn at random, or to re-offer the prize in any future competition on BBC Online.

BBC: Competition rules and conditions