vector

關於vector的翻譯

向量,向量,帶菌者 <<及物動詞>>無線電導引

vector definition

1. a variable quantity that can be resolved into components
2. a straight line segment whose length is magnitude and whose orientation in space is direction
3. any agent (person or animal or microorganism) that carries and transmits a disease
• examples: mosquitos are vectors of malaria and yellow fever
• examples: fleas are vectors of the plague
• examples: aphids are transmitters of plant diseases
• examples: when medical scientists talk about vectors they are usually talking about insects
4. (genetics) a virus or other agent that is used to deliver DNA to a cell