| http://www.w3.org/ns/prov#value | - One knot is a speed of one nautical mile per hour with which to measure how many nautical miles traveled per one hour.read more...??What is frequency measurement?An interval of time, during which a physical system, e.g. electrical current or a wave, performs a full oscillation and returns to its original momentary state, in both sign (direction) and in value, is called the oscillation period of th
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