Embodiments of copy equivalent protection using secure page flipping for software components within an execution environment are generally described herein. The assembly divides fluid flow into several equal flows that are injected into the ground. The method further includes, when the rankings are not in agreement, updating one or more of the weights in the language model as a function of a measure of confidence in the weight, the confidence being a function of previous observations of the n-gram feature in the method. The large-capacity through holes are sealed at one end of the filter, while the small-capacity through holes are sealed at the other end of the filter. The output control it controls a generator output based on a first target value decided corresponding to a command value indicated by the command signal, when the revolution number of the generator is less than the reference revolution number, and controls the generator output based on a second target value in place of the first target value.