The comparison and analyses of the four MUD techniques are made then from computational complexity and detection performance.

然后，对这四种神经网络多用户检测技术从计算复杂度和检测性能两个方面进行了比较和分析。

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Coastguards have issued a warning after four people got stuck in mud in three separate incidents in Dorset.

BBC: Dorset mud warning after four people get stuck

Its posh spa offers treatments from massage and facials to fun with hot stones and mud packs, and its four restaurants cater to Chinese, Japanese or Western tastes.

FORBES: Taiwan

Bush traveled in a convoy of four military trucks through neighborhoods plagued by stench, mud and high water.

CNN: Bush gets ground tour of Katrina damage