target n. 靶子,标的;目标;(嘲笑等的)对象;笑柄 (for); (储蓄,贸易等的)定额,指标;小羊的颈胸肉;【物理学】(X射线管中的)对阴极;【测】标杆,标板;【铁路】圆板信号机;〔古语〕小圆盾。 a target area 轰炸目标地区。 a target ship 靶舰。 a target buster 〔美俚〕打飞靶的人。 target practice 打靶,射击演习。 hit a target 达到定额[指标]。 one's target for tonight 〔英军俚〕女友。
The polarized targets are used as fixed targets in the scattering experiments. In the high energy physics they are used to study the nucleon spin structure of simple nucleons like protons, neutrons or deuterons.