| 释义 |
col·li·ma·tor AHD[kŏlʹə-mā'tər] D.J.[ˈkɒləˌmeɪtə]K.K.[ˈkɑləˌmetɚ]n.（名词）- A device capable of collimating radiation, as a long narrow tube in which strongly absorbing or reflecting walls permit only radiation traveling parallel to the tube axis to traverse the entire length.准直仪，平行光管：一种能使射线成平行状的仪器，如一个狭长试管的强烈吸收或反射的内壁，使得射线只有在和试管轴线相平行时才能穿过整个试管
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