eccentricity vector معنى"eccentricity vector" أمثلة على "eccentricity" معنى "vector" معنى "eccentricity" معنى "vector" معنى "eccentricity (mathematics)" معنى "orbital eccentricity" معنى "arrival vector" معنى "burgers vector" معنى "direction vector" معنى "disease vector" معنى "euclidean vector" معنى "expression vector" معنى "four-vector" معنى "indigenous vector" معنى "pattern vector" معنى "residual vector" معنى "shear vector" معنى "threat vector" معنى "unit vector" معنى "vector - borne" معنى "vector bundle" معنى "vector calculus" معنى "vector control" معنى "vector data" معنى "vector field" معنى أمثلة Also for Earth observation spacecraft for which a very repetitive orbit with a fixed ground track is desirable, the eccentricity vector should be kept as fixed as possible.
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