collimator
n. 准直管,准直仪,平行光管
例句
The collimator lighting remains also switched on.
准直仪照明仍然保持开启。
Purpose to study the clinical applying value of multi-leaf collimator.
目的:研究多叶准直器在临床的应用价值。
The collimator is an important equipment for optical experiment and standardization.
平行光管是光学实验及计量检测的重要设备。