It also introduces that the implementation of miss operation blocking within or between bays by using measure and control units.

介绍了利用变电站综合自动化系统的间隔层测控装置，实现间隔层五防闭锁的方案。

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Miss operation blocking device is one of the most important parts of substations.

防误闭锁装置是变电站重要的组成部分之一。

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Lock Kellock, who led Scotland to an historic first series win in Argentina in June, has had a knee operation and will miss the start of the season.

BBC: Chris Cusiter & Al Kellock injury worries for Scots

Last season Owen scored 10 goals in all competitions, although an ankle injury and groin operation forced him to miss five games.

BBC: Hull 'serious' about bid for Owen

He was forced to miss the final Test in Sydney to have an operation.

BBC: Cricket World Cup: Ricky Ponting makes nets return