释义 n.瞄准 实用短语collimation axis视轴,准直轴,视准轴,照准线collimation line视准线,准直线,照准线line of collimationvertical collimation errorcollimation plane视准面,beam collimation束良直,光束准直collimation lens准直透镜,准直镜auto-collimation自准直collimation mark框标 同根词词根: