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vector

['vektə] 名词

vector One of the two major types of internal data organization used in GIS. Vector systems are based primarily on coordinate geometry and take advantage of the convenient division of spatial data into point, line, and polygon types. Vector structures are especially suited to storing definitions of spatial objects for which sharp boundaries exist or can be imposed ['vektə] 名词

环境

vektor

英语词库

vector ['vektə] 名词

军队, 缩写

vec; vtr

医疗的

In genetically engineered vaccines, a vector is a bacterium or virus that transports antigen-coding genes into the body to provoke an immune response. The vector itself does not provoke an immune response or cause disease. A vector may also refer to an organism, especially an insect, that transmits disease-causing agents. 亦见 genetic engineering

缩写

航空, 美国人

A heading given by a controller to a pilot on the basis of radar-derived information to provide navigational guidance

VECTOR ['vektə] 缩写