| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1A and 1B are a block diagram showing a schematic constitution of a flight velocity vector measuring system in a wide velocity region according to an embodiment of the present invention; FIG. 2 is a block diagram showing a main constitution of a secondary process thereof, FIG. 3 is a sectional view of a square truncated pyramid-shape probe used in the wide v
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