disease vector معنى"disease vector" أمثلة على "disease" معنى "vector" معنى "vector-borne disease" معنى "vector" معنى "arrival vector" معنى "burgers vector" معنى "direction vector" معنى "eccentricity 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 "vector format" معنى "vector graphic" معنى أمثلة In two pioneering epidemiological field studies, he was able to demonstrate human sewage contamination was the most probable disease vector in two major epidemics in London in 1854.
جوال إصدار