On the basis of an analysis of fluidized-bed boiler dynamic performance the authors have designed a simplified model after consulting a self-adaptive SPC dual-ring selective system.

在对沸腾燃烧锅炉动态特性进行分析的基础上，设计了一种简便的模型，参考自适应SPC双环选择性系统。

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But Mr Jarman said that although the vocational training was impressive in quality, there was little to suggest that the UK should import such a selective system.

BBC: Tories revise schools policy

There are more than 160 grammar schools left across England - the remainder of a selective system scrapped in most parts of the country in the 1960s and 1970s.

BBC: Kent considers 'new' Sevenoaks grammar school

After promotion to lead the whole education portfolio he went on to attack Labour's grammar school policy, calling the selective system "as divisive as it is archaic" and telling MPs how 11-plus exam failures - including his brother - suffered for life.

BBC: Phil Willis: Education & Employment