n. measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
词态变化
复数形式:radars
常见例句
1
locate (a moving entity) by means of a tracking system such as radar v
2
v come into the possession of something concrete or abstract v take on a certain form, attribute, or aspect v come to have or undergo a change of (physical features and attributes) v locate (a moving entity) by means of a tracking system such as radar v win something through one's efforts v gain knowledge or skills v gain through experience
3
a radar echo displayed so as to show the position of a reflecting surface
