Sight or collimator with bracket.

瞄准或用支架描准仪。

The collimator lighting remains also switched on.

准直仪照明仍然保持开启。

One problem is simply the design of the collimator and condenser.

第一个问题仅是准直镜和聚光镜的设计。

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。

In this paper, a measuring method of convex lens foci in collimator is given.

介绍一种测量平行光管内凸透镜焦距的测量方法。