collimator

柯林斯英漢雙解大詞典

collimator /ˈkɒlɪˌmeɪtə/

1.N a small telescope attached to a larger optical instrument as an aid in fixing its line of sight 準直儀 ^[1] 

laser collimator[機] 激光準直儀 ; 激光準直儀

neutron collimator 中子準直器 ; 中子準值儀 ; 中子準直儀

primary collimator 初級準直器 ; 第一準直儀

focal collimator 測焦距準直儀

reflecting collimator 反射式準直儀 ; 反射式照相機

collimator pen 準直儀

mercury collimator 水銀視準管

collimator trolley 準直儀車

secondary collimator 準直儀 ^[1]