流量的福劳德数是流动状态的影响因素，即超临界流或亚临界流。
The Froude number of flow is the factor of flow status: supercritical flow or subcritical flow.
这个模型产生了两种所谓犯罪热点的类型，在数学上被归类于超临界的(不稳定的系统)和亚临界的(稳定的系统)。
The model produced two types of so-called criminal "hot spots," which are mathematically referred to as supercritical (which is an unstable system) and subcritical (which is a stable system.)
为了满足调峰需求，要求该类机组能在从超临界压力到亚临界压力范围内安全经济运行。
In order to meet adjustment of load, this type of unit have to be within the safe and economic operation from the super-critical pressure to sub-critical pressure.
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